Home / 266,520.32-367,798.40-153,340.80

Finding the Fourth Proportional to 266,520.32, 367,798.40 and 153,340.80

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Solution

The fourth proportional to 266,520.32, 367,798.40 and 153,340.80 is: 211,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,520.32 : 367,798.40 = 153,340.80 : x
  2. Step 2: Convert to fraction form
    266,520.32/367,798.40 = 153,340.80/x
  3. Step 3: Cross multiply
    266,520.32x = 367,798.40 × 153,340.80
  4. Step 4: Simplify right side
    266,520.32x = 56,398,500,894.72
  5. Step 5: Solve for x
    x = 56,398,500,894.72/266,520.32
  6. Step 6: Final answer
    x = 211,610.51

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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.