Home / 370,890.20-556,337.19-157,603.16

Finding the Fourth Proportional to 370,890.20, 556,337.19 and 157,603.16

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Solution

The fourth proportional to 370,890.20, 556,337.19 and 157,603.16 is: 236,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,890.20 : 556,337.19 = 157,603.16 : x
  2. Step 2: Convert to fraction form
    370,890.20/556,337.19 = 157,603.16/x
  3. Step 3: Cross multiply
    370,890.20x = 556,337.19 × 157,603.16
  4. Step 4: Simplify right side
    370,890.20x = 87,680,499,169.52
  5. Step 5: Solve for x
    x = 87,680,499,169.52/370,890.20
  6. Step 6: Final answer
    x = 236,405.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.