Home / 270,048.38-372,666.76-156,878.42

Finding the Fourth Proportional to 270,048.38, 372,666.76 and 156,878.42

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Solution

The fourth proportional to 270,048.38, 372,666.76 and 156,878.42 is: 216,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,048.38 : 372,666.76 = 156,878.42 : x
  2. Step 2: Convert to fraction form
    270,048.38/372,666.76 = 156,878.42/x
  3. Step 3: Cross multiply
    270,048.38x = 372,666.76 × 156,878.42
  4. Step 4: Simplify right side
    270,048.38x = 58,463,370,239.79
  5. Step 5: Solve for x
    x = 58,463,370,239.79/270,048.38
  6. Step 6: Final answer
    x = 216,492.21

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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.