Home / 373,215.20-559,822.80-215,362.40

Finding the Fourth Proportional to 373,215.20, 559,822.80 and 215,362.40

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Solution

The fourth proportional to 373,215.20, 559,822.80 and 215,362.40 is: 323,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,215.20 : 559,822.80 = 215,362.40 : x
  2. Step 2: Convert to fraction form
    373,215.20/559,822.80 = 215,362.40/x
  3. Step 3: Cross multiply
    373,215.20x = 559,822.80 × 215,362.40
  4. Step 4: Simplify right side
    373,215.20x = 120,564,781,782.72
  5. Step 5: Solve for x
    x = 120,564,781,782.72/373,215.20
  6. Step 6: Final answer
    x = 323,043.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.