Home / 290,281.32-400,587.93-162,957.15

Finding the Fourth Proportional to 290,281.32, 400,587.93 and 162,957.15

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Solution

The fourth proportional to 290,281.32, 400,587.93 and 162,957.15 is: 224,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,281.32 : 400,587.93 = 162,957.15 : x
  2. Step 2: Convert to fraction form
    290,281.32/400,587.93 = 162,957.15/x
  3. Step 3: Cross multiply
    290,281.32x = 400,587.93 × 162,957.15
  4. Step 4: Simplify right side
    290,281.32x = 65,278,667,397.20
  5. Step 5: Solve for x
    x = 65,278,667,397.20/290,281.32
  6. Step 6: Final answer
    x = 224,880.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.