Home / 238,021.02-328,490.28-130,611.98

Finding the Fourth Proportional to 238,021.02, 328,490.28 and 130,611.98

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Solution

The fourth proportional to 238,021.02, 328,490.28 and 130,611.98 is: 180,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,021.02 : 328,490.28 = 130,611.98 : x
  2. Step 2: Convert to fraction form
    238,021.02/328,490.28 = 130,611.98/x
  3. Step 3: Cross multiply
    238,021.02x = 328,490.28 × 130,611.98
  4. Step 4: Simplify right side
    238,021.02x = 42,904,765,881.55
  5. Step 5: Solve for x
    x = 42,904,765,881.55/238,021.02
  6. Step 6: Final answer
    x = 180,256.21

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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.