Home / 291,624.03-402,441.17-157,488.03

Finding the Fourth Proportional to 291,624.03, 402,441.17 and 157,488.03

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Solution

The fourth proportional to 291,624.03, 402,441.17 and 157,488.03 is: 217,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,624.03 : 402,441.17 = 157,488.03 : x
  2. Step 2: Convert to fraction form
    291,624.03/402,441.17 = 157,488.03/x
  3. Step 3: Cross multiply
    291,624.03x = 402,441.17 × 157,488.03
  4. Step 4: Simplify right side
    291,624.03x = 63,379,667,054.20
  5. Step 5: Solve for x
    x = 63,379,667,054.20/291,624.03
  6. Step 6: Final answer
    x = 217,333.49

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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.