Home / 260,228.72-390,077.19-147,671.25

Finding the Fourth Proportional to 260,228.72, 390,077.19 and 147,671.25

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Solution

The fourth proportional to 260,228.72, 390,077.19 and 147,671.25 is: 221,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,228.72 : 390,077.19 = 147,671.25 : x
  2. Step 2: Convert to fraction form
    260,228.72/390,077.19 = 147,671.25/x
  3. Step 3: Cross multiply
    260,228.72x = 390,077.19 × 147,671.25
  4. Step 4: Simplify right side
    260,228.72x = 57,603,186,243.79
  5. Step 5: Solve for x
    x = 57,603,186,243.79/260,228.72
  6. Step 6: Final answer
    x = 221,356.00

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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.