Home / 373,129.08-514,931.89-212,011.42

Finding the Fourth Proportional to 373,129.08, 514,931.89 and 212,011.42

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Solution

The fourth proportional to 373,129.08, 514,931.89 and 212,011.42 is: 292,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,129.08 : 514,931.89 = 212,011.42 : x
  2. Step 2: Convert to fraction form
    373,129.08/514,931.89 = 212,011.42/x
  3. Step 3: Cross multiply
    373,129.08x = 514,931.89 × 212,011.42
  4. Step 4: Simplify right side
    373,129.08x = 109,171,438,627.52
  5. Step 5: Solve for x
    x = 109,171,438,627.52/373,129.08
  6. Step 6: Final answer
    x = 292,583.57

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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.