Home / 389,334.87-583,721.73-239,264.91

Finding the Fourth Proportional to 389,334.87, 583,721.73 and 239,264.91

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Solution

The fourth proportional to 389,334.87, 583,721.73 and 239,264.91 is: 358,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,334.87 : 583,721.73 = 239,264.91 : x
  2. Step 2: Convert to fraction form
    389,334.87/583,721.73 = 239,264.91/x
  3. Step 3: Cross multiply
    389,334.87x = 583,721.73 × 239,264.91
  4. Step 4: Simplify right side
    389,334.87x = 139,664,127,193.49
  5. Step 5: Solve for x
    x = 139,664,127,193.49/389,334.87
  6. Step 6: Final answer
    x = 358,724.94

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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.