Home / 373,126.32-514,928.09-212,008.66

Finding the Fourth Proportional to 373,126.32, 514,928.09 and 212,008.66

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Solution

The fourth proportional to 373,126.32, 514,928.09 and 212,008.66 is: 292,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,126.32 : 514,928.09 = 212,008.66 : x
  2. Step 2: Convert to fraction form
    373,126.32/514,928.09 = 212,008.66/x
  3. Step 3: Cross multiply
    373,126.32x = 514,928.09 × 212,008.66
  4. Step 4: Simplify right side
    373,126.32x = 109,169,212,009.90
  5. Step 5: Solve for x
    x = 109,169,212,009.90/373,126.32
  6. Step 6: Final answer
    x = 292,579.77

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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.