Home / 290,069.10-434,946.92-112,528.44

Finding the Fourth Proportional to 290,069.10, 434,946.92 and 112,528.44

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Solution

The fourth proportional to 290,069.10, 434,946.92 and 112,528.44 is: 168,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,069.10 : 434,946.92 = 112,528.44 : x
  2. Step 2: Convert to fraction form
    290,069.10/434,946.92 = 112,528.44/x
  3. Step 3: Cross multiply
    290,069.10x = 434,946.92 × 112,528.44
  4. Step 4: Simplify right side
    290,069.10x = 48,943,897,827.76
  5. Step 5: Solve for x
    x = 48,943,897,827.76/290,069.10
  6. Step 6: Final answer
    x = 168,731.86

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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.