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Finding the Fourth Proportional to 373,427.04, 515,373.60 and 212,306.40

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Solution

The fourth proportional to 373,427.04, 515,373.60 and 212,306.40 is: 293,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,427.04 : 515,373.60 = 212,306.40 : x
  2. Step 2: Convert to fraction form
    373,427.04/515,373.60 = 212,306.40/x
  3. Step 3: Cross multiply
    373,427.04x = 515,373.60 × 212,306.40
  4. Step 4: Simplify right side
    373,427.04x = 109,417,113,671.04
  5. Step 5: Solve for x
    x = 109,417,113,671.04/373,427.04
  6. Step 6: Final answer
    x = 293,008.01

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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.