Home / 390,736.76-586,152.60-110,254.04

Finding the Fourth Proportional to 390,736.76, 586,152.60 and 110,254.04

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Solution

The fourth proportional to 390,736.76, 586,152.60 and 110,254.04 is: 165,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,736.76 : 586,152.60 = 110,254.04 : x
  2. Step 2: Convert to fraction form
    390,736.76/586,152.60 = 110,254.04/x
  3. Step 3: Cross multiply
    390,736.76x = 586,152.60 × 110,254.04
  4. Step 4: Simplify right side
    390,736.76x = 64,625,692,206.50
  5. Step 5: Solve for x
    x = 64,625,692,206.50/390,736.76
  6. Step 6: Final answer
    x = 165,394.45

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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.