Home / 374,854.72-517,312.43-205,088.85

Finding the Fourth Proportional to 374,854.72, 517,312.43 and 205,088.85

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Solution

The fourth proportional to 374,854.72, 517,312.43 and 205,088.85 is: 283,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,854.72 : 517,312.43 = 205,088.85 : x
  2. Step 2: Convert to fraction form
    374,854.72/517,312.43 = 205,088.85/x
  3. Step 3: Cross multiply
    374,854.72x = 517,312.43 × 205,088.85
  4. Step 4: Simplify right side
    374,854.72x = 106,095,011,359.41
  5. Step 5: Solve for x
    x = 106,095,011,359.41/374,854.72
  6. Step 6: Final answer
    x = 283,029.68

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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.