Home / 288,146.02-397,647.88-159,084.10

Finding the Fourth Proportional to 288,146.02, 397,647.88 and 159,084.10

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Solution

The fourth proportional to 288,146.02, 397,647.88 and 159,084.10 is: 219,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,146.02 : 397,647.88 = 159,084.10 : x
  2. Step 2: Convert to fraction form
    288,146.02/397,647.88 = 159,084.10/x
  3. Step 3: Cross multiply
    288,146.02x = 397,647.88 × 159,084.10
  4. Step 4: Simplify right side
    288,146.02x = 63,259,455,106.71
  5. Step 5: Solve for x
    x = 63,259,455,106.71/288,146.02
  6. Step 6: Final answer
    x = 219,539.58

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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.