Home / 215,623.20-323,434.80-162,746.40

Finding the Fourth Proportional to 215,623.20, 323,434.80 and 162,746.40

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Solution

The fourth proportional to 215,623.20, 323,434.80 and 162,746.40 is: 244,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,623.20 : 323,434.80 = 162,746.40 : x
  2. Step 2: Convert to fraction form
    215,623.20/323,434.80 = 162,746.40/x
  3. Step 3: Cross multiply
    215,623.20x = 323,434.80 × 162,746.40
  4. Step 4: Simplify right side
    215,623.20x = 52,637,849,334.72
  5. Step 5: Solve for x
    x = 52,637,849,334.72/215,623.20
  6. Step 6: Final answer
    x = 244,119.60

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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.