Home / 386,304.06-579,539.13-130,162.08

Finding the Fourth Proportional to 386,304.06, 579,539.13 and 130,162.08

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Solution

The fourth proportional to 386,304.06, 579,539.13 and 130,162.08 is: 195,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,304.06 : 579,539.13 = 130,162.08 : x
  2. Step 2: Convert to fraction form
    386,304.06/579,539.13 = 130,162.08/x
  3. Step 3: Cross multiply
    386,304.06x = 579,539.13 × 130,162.08
  4. Step 4: Simplify right side
    386,304.06x = 75,434,018,602.19
  5. Step 5: Solve for x
    x = 75,434,018,602.19/386,304.06
  6. Step 6: Final answer
    x = 195,271.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.