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Finding the Fourth Proportional to 434,447.84, 651,263.16 and 234,468.56

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Solution

The fourth proportional to 434,447.84, 651,263.16 and 234,468.56 is: 351,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,447.84 : 651,263.16 = 234,468.56 : x
  2. Step 2: Convert to fraction form
    434,447.84/651,263.16 = 234,468.56/x
  3. Step 3: Cross multiply
    434,447.84x = 651,263.16 × 234,468.56
  4. Step 4: Simplify right side
    434,447.84x = 152,700,735,306.25
  5. Step 5: Solve for x
    x = 152,700,735,306.25/434,447.84
  6. Step 6: Final answer
    x = 351,482.32

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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.