Home / 215,985.66-297,859.23-143,260.62

Finding the Fourth Proportional to 215,985.66, 297,859.23 and 143,260.62

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Solution

The fourth proportional to 215,985.66, 297,859.23 and 143,260.62 is: 197,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,985.66 : 297,859.23 = 143,260.62 : x
  2. Step 2: Convert to fraction form
    215,985.66/297,859.23 = 143,260.62/x
  3. Step 3: Cross multiply
    215,985.66x = 297,859.23 × 143,260.62
  4. Step 4: Simplify right side
    215,985.66x = 42,671,497,962.52
  5. Step 5: Solve for x
    x = 42,671,497,962.52/215,985.66
  6. Step 6: Final answer
    x = 197,566.35

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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.