Home / 372,639.42-558,259.29-289,125.18

Finding the Fourth Proportional to 372,639.42, 558,259.29 and 289,125.18

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Solution

The fourth proportional to 372,639.42, 558,259.29 and 289,125.18 is: 433,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,639.42 : 558,259.29 = 289,125.18 : x
  2. Step 2: Convert to fraction form
    372,639.42/558,259.29 = 289,125.18/x
  3. Step 3: Cross multiply
    372,639.42x = 558,259.29 × 289,125.18
  4. Step 4: Simplify right side
    372,639.42x = 161,406,817,707.92
  5. Step 5: Solve for x
    x = 161,406,817,707.92/372,639.42
  6. Step 6: Final answer
    x = 433,144.77

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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.