Home / 360,143.12-497,019.24-258,199.76

Finding the Fourth Proportional to 360,143.12, 497,019.24 and 258,199.76

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Solution

The fourth proportional to 360,143.12, 497,019.24 and 258,199.76 is: 356,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,143.12 : 497,019.24 = 258,199.76 : x
  2. Step 2: Convert to fraction form
    360,143.12/497,019.24 = 258,199.76/x
  3. Step 3: Cross multiply
    360,143.12x = 497,019.24 × 258,199.76
  4. Step 4: Simplify right side
    360,143.12x = 128,330,248,483.38
  5. Step 5: Solve for x
    x = 128,330,248,483.38/360,143.12
  6. Step 6: Final answer
    x = 356,331.25

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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.