Home / 389,063.12-583,545.47-104,776.38

Finding the Fourth Proportional to 389,063.12, 583,545.47 and 104,776.38

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Solution

The fourth proportional to 389,063.12, 583,545.47 and 104,776.38 is: 157,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,063.12 : 583,545.47 = 104,776.38 : x
  2. Step 2: Convert to fraction form
    389,063.12/583,545.47 = 104,776.38/x
  3. Step 3: Cross multiply
    389,063.12x = 583,545.47 × 104,776.38
  4. Step 4: Simplify right side
    389,063.12x = 61,141,781,388.12
  5. Step 5: Solve for x
    x = 61,141,781,388.12/389,063.12
  6. Step 6: Final answer
    x = 157,151.32

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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.