Home / 276,312.02-414,468-76,632.40

Finding the Fourth Proportional to 276,312.02, 414,468 and 76,632.40

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Solution

The fourth proportional to 276,312.02, 414,468 and 76,632.40 is: 114,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,312.02 : 414,468 = 76,632.40 : x
  2. Step 2: Convert to fraction form
    276,312.02/414,468 = 76,632.40/x
  3. Step 3: Cross multiply
    276,312.02x = 414,468 × 76,632.40
  4. Step 4: Simplify right side
    276,312.02x = 31,761,677,563.20
  5. Step 5: Solve for x
    x = 31,761,677,563.20/276,312.02
  6. Step 6: Final answer
    x = 114,948.59

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1.5x scale

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.