Home / 385,822.68-532,303.95-224,643.61

Finding the Fourth Proportional to 385,822.68, 532,303.95 and 224,643.61

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Solution

The fourth proportional to 385,822.68, 532,303.95 and 224,643.61 is: 309,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,822.68 : 532,303.95 = 224,643.61 : x
  2. Step 2: Convert to fraction form
    385,822.68/532,303.95 = 224,643.61/x
  3. Step 3: Cross multiply
    385,822.68x = 532,303.95 × 224,643.61
  4. Step 4: Simplify right side
    385,822.68x = 119,578,680,945.26
  5. Step 5: Solve for x
    x = 119,578,680,945.26/385,822.68
  6. Step 6: Final answer
    x = 309,931.70

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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.