Home / 292,158.06-439,007.68-157,321.81

Finding the Fourth Proportional to 292,158.06, 439,007.68 and 157,321.81

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Solution

The fourth proportional to 292,158.06, 439,007.68 and 157,321.81 is: 236,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,158.06 : 439,007.68 = 157,321.81 : x
  2. Step 2: Convert to fraction form
    292,158.06/439,007.68 = 157,321.81/x
  3. Step 3: Cross multiply
    292,158.06x = 439,007.68 × 157,321.81
  4. Step 4: Simplify right side
    292,158.06x = 69,065,483,566.91
  5. Step 5: Solve for x
    x = 69,065,483,566.91/292,158.06
  6. Step 6: Final answer
    x = 236,397.67

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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.