Home / 385,905.36-532,551-224,870.88

Finding the Fourth Proportional to 385,905.36, 532,551 and 224,870.88

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Solution

The fourth proportional to 385,905.36, 532,551 and 224,870.88 is: 310,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,905.36 : 532,551 = 224,870.88 : x
  2. Step 2: Convert to fraction form
    385,905.36/532,551 = 224,870.88/x
  3. Step 3: Cross multiply
    385,905.36x = 532,551 × 224,870.88
  4. Step 4: Simplify right side
    385,905.36x = 119,755,212,014.88
  5. Step 5: Solve for x
    x = 119,755,212,014.88/385,905.36
  6. Step 6: Final answer
    x = 310,322.75

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1.5x scale

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.