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Finding the Fourth Proportional to 625,465.84, 938,199.03 and 152,148.28

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Solution

The fourth proportional to 625,465.84, 938,199.03 and 152,148.28 is: 228,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,465.84 : 938,199.03 = 152,148.28 : x
  2. Step 2: Convert to fraction form
    625,465.84/938,199.03 = 152,148.28/x
  3. Step 3: Cross multiply
    625,465.84x = 938,199.03 × 152,148.28
  4. Step 4: Simplify right side
    625,465.84x = 142,745,368,712.17
  5. Step 5: Solve for x
    x = 142,745,368,712.17/625,465.84
  6. Step 6: Final answer
    x = 228,222.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.