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Finding the Fourth Proportional to 237,954.84, 328,386.86 and 130,529.40

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Solution

The fourth proportional to 237,954.84, 328,386.86 and 130,529.40 is: 180,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,954.84 : 328,386.86 = 130,529.40 : x
  2. Step 2: Convert to fraction form
    237,954.84/328,386.86 = 130,529.40/x
  3. Step 3: Cross multiply
    237,954.84x = 328,386.86 × 130,529.40
  4. Step 4: Simplify right side
    237,954.84x = 42,864,139,803.68
  5. Step 5: Solve for x
    x = 42,864,139,803.68/237,954.84
  6. Step 6: Final answer
    x = 180,135.61

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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.