Home / 253,030.13-349,043.38-162,285.12

Finding the Fourth Proportional to 253,030.13, 349,043.38 and 162,285.12

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Solution

The fourth proportional to 253,030.13, 349,043.38 and 162,285.12 is: 223,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,030.13 : 349,043.38 = 162,285.12 : x
  2. Step 2: Convert to fraction form
    253,030.13/349,043.38 = 162,285.12/x
  3. Step 3: Cross multiply
    253,030.13x = 349,043.38 × 162,285.12
  4. Step 4: Simplify right side
    253,030.13x = 56,644,546,402.79
  5. Step 5: Solve for x
    x = 56,644,546,402.79/253,030.13
  6. Step 6: Final answer
    x = 223,864.83

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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.