Home / 238,070.80-328,521.63-130,647.72

Finding the Fourth Proportional to 238,070.80, 328,521.63 and 130,647.72

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Solution

The fourth proportional to 238,070.80, 328,521.63 and 130,647.72 is: 180,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,070.80 : 328,521.63 = 130,647.72 : x
  2. Step 2: Convert to fraction form
    238,070.80/328,521.63 = 130,647.72/x
  3. Step 3: Cross multiply
    238,070.80x = 328,521.63 × 130,647.72
  4. Step 4: Simplify right side
    238,070.80x = 42,920,601,930.18
  5. Step 5: Solve for x
    x = 42,920,601,930.18/238,070.80
  6. Step 6: Final answer
    x = 180,285.03

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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.