Home / 260,827.83-390,977.06-148,275.50

Finding the Fourth Proportional to 260,827.83, 390,977.06 and 148,275.50

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Solution

The fourth proportional to 260,827.83, 390,977.06 and 148,275.50 is: 222,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,827.83 : 390,977.06 = 148,275.50 : x
  2. Step 2: Convert to fraction form
    260,827.83/390,977.06 = 148,275.50/x
  3. Step 3: Cross multiply
    260,827.83x = 390,977.06 × 148,275.50
  4. Step 4: Simplify right side
    260,827.83x = 57,972,316,363.77
  5. Step 5: Solve for x
    x = 57,972,316,363.77/260,827.83
  6. Step 6: Final answer
    x = 222,262.77

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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.