Home / 290,583.08-435,062.52-156,984.68

Finding the Fourth Proportional to 290,583.08, 435,062.52 and 156,984.68

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Solution

The fourth proportional to 290,583.08, 435,062.52 and 156,984.68 is: 235,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,583.08 : 435,062.52 = 156,984.68 : x
  2. Step 2: Convert to fraction form
    290,583.08/435,062.52 = 156,984.68/x
  3. Step 3: Cross multiply
    290,583.08x = 435,062.52 × 156,984.68
  4. Step 4: Simplify right side
    290,583.08x = 68,298,150,482.19
  5. Step 5: Solve for x
    x = 68,298,150,482.19/290,583.08
  6. Step 6: Final answer
    x = 235,038.29

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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.