Home / 302,787.10-454,071.30-152,977.60

Finding the Fourth Proportional to 302,787.10, 454,071.30 and 152,977.60

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Solution

The fourth proportional to 302,787.10, 454,071.30 and 152,977.60 is: 229,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,787.10 : 454,071.30 = 152,977.60 : x
  2. Step 2: Convert to fraction form
    302,787.10/454,071.30 = 152,977.60/x
  3. Step 3: Cross multiply
    302,787.10x = 454,071.30 × 152,977.60
  4. Step 4: Simplify right side
    302,787.10x = 69,462,737,702.88
  5. Step 5: Solve for x
    x = 69,462,737,702.88/302,787.10
  6. Step 6: Final answer
    x = 229,411.15

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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.