Home / 415,862.56-573,890.70-243,746.20

Finding the Fourth Proportional to 415,862.56, 573,890.70 and 243,746.20

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Solution

The fourth proportional to 415,862.56, 573,890.70 and 243,746.20 is: 336,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,862.56 : 573,890.70 = 243,746.20 : x
  2. Step 2: Convert to fraction form
    415,862.56/573,890.70 = 243,746.20/x
  3. Step 3: Cross multiply
    415,862.56x = 573,890.70 × 243,746.20
  4. Step 4: Simplify right side
    415,862.56x = 139,883,677,340.34
  5. Step 5: Solve for x
    x = 139,883,677,340.34/415,862.56
  6. Step 6: Final answer
    x = 336,369.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.