Home / 495,084.86-742,621.37-158,121.01

Finding the Fourth Proportional to 495,084.86, 742,621.37 and 158,121.01

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Solution

The fourth proportional to 495,084.86, 742,621.37 and 158,121.01 is: 237,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,084.86 : 742,621.37 = 158,121.01 : x
  2. Step 2: Convert to fraction form
    495,084.86/742,621.37 = 158,121.01/x
  3. Step 3: Cross multiply
    495,084.86x = 742,621.37 × 158,121.01
  4. Step 4: Simplify right side
    495,084.86x = 117,424,041,209.66
  5. Step 5: Solve for x
    x = 117,424,041,209.66/495,084.86
  6. Step 6: Final answer
    x = 237,179.63

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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.