Home / 228,802.35-343,221.07-77,000.17

Finding the Fourth Proportional to 228,802.35, 343,221.07 and 77,000.17

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Solution

The fourth proportional to 228,802.35, 343,221.07 and 77,000.17 is: 115,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,802.35 : 343,221.07 = 77,000.17 : x
  2. Step 2: Convert to fraction form
    228,802.35/343,221.07 = 77,000.17/x
  3. Step 3: Cross multiply
    228,802.35x = 343,221.07 × 77,000.17
  4. Step 4: Simplify right side
    228,802.35x = 26,428,080,737.58
  5. Step 5: Solve for x
    x = 26,428,080,737.58/228,802.35
  6. Step 6: Final answer
    x = 115,506.16

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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.