Home / 397,822.04-549,006-216,545.66

Finding the Fourth Proportional to 397,822.04, 549,006 and 216,545.66

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Solution

The fourth proportional to 397,822.04, 549,006 and 216,545.66 is: 298,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,822.04 : 549,006 = 216,545.66 : x
  2. Step 2: Convert to fraction form
    397,822.04/549,006 = 216,545.66/x
  3. Step 3: Cross multiply
    397,822.04x = 549,006 × 216,545.66
  4. Step 4: Simplify right side
    397,822.04x = 118,884,866,613.96
  5. Step 5: Solve for x
    x = 118,884,866,613.96/397,822.04
  6. Step 6: Final answer
    x = 298,839.32

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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.