Home / 487,200.32-672,337.32-272,340.26

Finding the Fourth Proportional to 487,200.32, 672,337.32 and 272,340.26

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Solution

The fourth proportional to 487,200.32, 672,337.32 and 272,340.26 is: 375,830.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,200.32 : 672,337.32 = 272,340.26 : x
  2. Step 2: Convert to fraction form
    487,200.32/672,337.32 = 272,340.26/x
  3. Step 3: Cross multiply
    487,200.32x = 672,337.32 × 272,340.26
  4. Step 4: Simplify right side
    487,200.32x = 183,104,520,536.50
  5. Step 5: Solve for x
    x = 183,104,520,536.50/487,200.32
  6. Step 6: Final answer
    x = 375,830.05

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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.