Home / 238,381.47-328,950.18-130,956.03

Finding the Fourth Proportional to 238,381.47, 328,950.18 and 130,956.03

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Solution

The fourth proportional to 238,381.47, 328,950.18 and 130,956.03 is: 180,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,381.47 : 328,950.18 = 130,956.03 : x
  2. Step 2: Convert to fraction form
    238,381.47/328,950.18 = 130,956.03/x
  3. Step 3: Cross multiply
    238,381.47x = 328,950.18 × 130,956.03
  4. Step 4: Simplify right side
    238,381.47x = 43,078,009,640.59
  5. Step 5: Solve for x
    x = 43,078,009,640.59/238,381.47
  6. Step 6: Final answer
    x = 180,710.40

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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.