Home / 253,267.40-379,901.10-148,032.20

Finding the Fourth Proportional to 253,267.40, 379,901.10 and 148,032.20

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Solution

The fourth proportional to 253,267.40, 379,901.10 and 148,032.20 is: 222,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,267.40 : 379,901.10 = 148,032.20 : x
  2. Step 2: Convert to fraction form
    253,267.40/379,901.10 = 148,032.20/x
  3. Step 3: Cross multiply
    253,267.40x = 379,901.10 × 148,032.20
  4. Step 4: Simplify right side
    253,267.40x = 56,237,595,615.42
  5. Step 5: Solve for x
    x = 56,237,595,615.42/253,267.40
  6. Step 6: Final answer
    x = 222,048.30

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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.