Home / 467,985.16-645,819.58-253,125.24

Finding the Fourth Proportional to 467,985.16, 645,819.58 and 253,125.24

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Solution

The fourth proportional to 467,985.16, 645,819.58 and 253,125.24 is: 349,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,985.16 : 645,819.58 = 253,125.24 : x
  2. Step 2: Convert to fraction form
    467,985.16/645,819.58 = 253,125.24/x
  3. Step 3: Cross multiply
    467,985.16x = 645,819.58 × 253,125.24
  4. Step 4: Simplify right side
    467,985.16x = 163,473,236,184.20
  5. Step 5: Solve for x
    x = 163,473,236,184.20/467,985.16
  6. Step 6: Final answer
    x = 349,312.86

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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.