Home / 238,298.23-328,851.12-130,869.19

Finding the Fourth Proportional to 238,298.23, 328,851.12 and 130,869.19

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Solution

The fourth proportional to 238,298.23, 328,851.12 and 130,869.19 is: 180,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,298.23 : 328,851.12 = 130,869.19 : x
  2. Step 2: Convert to fraction form
    238,298.23/328,851.12 = 130,869.19/x
  3. Step 3: Cross multiply
    238,298.23x = 328,851.12 × 130,869.19
  4. Step 4: Simplify right side
    238,298.23x = 43,036,479,704.99
  5. Step 5: Solve for x
    x = 43,036,479,704.99/238,298.23
  6. Step 6: Final answer
    x = 180,599.24

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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.