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Finding the Fourth Proportional to 413,305.08, 570,293.10 and 243,516.12

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Solution

The fourth proportional to 413,305.08, 570,293.10 and 243,516.12 is: 336,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,305.08 : 570,293.10 = 243,516.12 : x
  2. Step 2: Convert to fraction form
    413,305.08/570,293.10 = 243,516.12/x
  3. Step 3: Cross multiply
    413,305.08x = 570,293.10 × 243,516.12
  4. Step 4: Simplify right side
    413,305.08x = 138,875,562,974.77
  5. Step 5: Solve for x
    x = 138,875,562,974.77/413,305.08
  6. Step 6: Final answer
    x = 336,012.23

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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.