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Finding the Fourth Proportional to 561,569.55, 842,502.10 and 201,776.77

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Solution

The fourth proportional to 561,569.55, 842,502.10 and 201,776.77 is: 302,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,569.55 : 842,502.10 = 201,776.77 : x
  2. Step 2: Convert to fraction form
    561,569.55/842,502.10 = 201,776.77/x
  3. Step 3: Cross multiply
    561,569.55x = 842,502.10 × 201,776.77
  4. Step 4: Simplify right side
    561,569.55x = 169,997,348,243.71
  5. Step 5: Solve for x
    x = 169,997,348,243.71/561,569.55
  6. Step 6: Final answer
    x = 302,718.24

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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.