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Finding the Fourth Proportional to 370,013.60, 555,279.60 and 159,802.40

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Solution

The fourth proportional to 370,013.60, 555,279.60 and 159,802.40 is: 239,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,013.60 : 555,279.60 = 159,802.40 : x
  2. Step 2: Convert to fraction form
    370,013.60/555,279.60 = 159,802.40/x
  3. Step 3: Cross multiply
    370,013.60x = 555,279.60 × 159,802.40
  4. Step 4: Simplify right side
    370,013.60x = 88,735,012,751.04
  5. Step 5: Solve for x
    x = 88,735,012,751.04/370,013.60
  6. Step 6: Final answer
    x = 239,815.54

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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.