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Finding the Fourth Proportional to 373,026.32, 514,760.23 and 211,880.87

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Solution

The fourth proportional to 373,026.32, 514,760.23 and 211,880.87 is: 292,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,026.32 : 514,760.23 = 211,880.87 : x
  2. Step 2: Convert to fraction form
    373,026.32/514,760.23 = 211,880.87/x
  3. Step 3: Cross multiply
    373,026.32x = 514,760.23 × 211,880.87
  4. Step 4: Simplify right side
    373,026.32x = 109,067,845,373.80
  5. Step 5: Solve for x
    x = 109,067,845,373.80/373,026.32
  6. Step 6: Final answer
    x = 292,386.46

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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.