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Finding the Fourth Proportional to 375,016.18, 564,532.70 and 336,437.50

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Solution

The fourth proportional to 375,016.18, 564,532.70 and 336,437.50 is: 506,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,016.18 : 564,532.70 = 336,437.50 : x
  2. Step 2: Convert to fraction form
    375,016.18/564,532.70 = 336,437.50/x
  3. Step 3: Cross multiply
    375,016.18x = 564,532.70 × 336,437.50
  4. Step 4: Simplify right side
    375,016.18x = 189,929,970,256.25
  5. Step 5: Solve for x
    x = 189,929,970,256.25/375,016.18
  6. Step 6: Final answer
    x = 506,458.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.