Home / 360,922.32-497,958.30-209,990.16

Finding the Fourth Proportional to 360,922.32, 497,958.30 and 209,990.16

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Solution

The fourth proportional to 360,922.32, 497,958.30 and 209,990.16 is: 289,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,922.32 : 497,958.30 = 209,990.16 : x
  2. Step 2: Convert to fraction form
    360,922.32/497,958.30 = 209,990.16/x
  3. Step 3: Cross multiply
    360,922.32x = 497,958.30 × 209,990.16
  4. Step 4: Simplify right side
    360,922.32x = 104,566,343,090.33
  5. Step 5: Solve for x
    x = 104,566,343,090.33/360,922.32
  6. Step 6: Final answer
    x = 289,719.80

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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.