Home / 382,402.62-527,722.29-210,339.18

Finding the Fourth Proportional to 382,402.62, 527,722.29 and 210,339.18

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Solution

The fourth proportional to 382,402.62, 527,722.29 and 210,339.18 is: 290,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,402.62 : 527,722.29 = 210,339.18 : x
  2. Step 2: Convert to fraction form
    382,402.62/527,722.29 = 210,339.18/x
  3. Step 3: Cross multiply
    382,402.62x = 527,722.29 × 210,339.18
  4. Step 4: Simplify right side
    382,402.62x = 111,000,673,746.32
  5. Step 5: Solve for x
    x = 111,000,673,746.32/382,402.62
  6. Step 6: Final answer
    x = 290,271.74

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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.