Home / 238,318.77-328,880.07-130,894.14

Finding the Fourth Proportional to 238,318.77, 328,880.07 and 130,894.14

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Solution

The fourth proportional to 238,318.77, 328,880.07 and 130,894.14 is: 180,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,318.77 : 328,880.07 = 130,894.14 : x
  2. Step 2: Convert to fraction form
    238,318.77/328,880.07 = 130,894.14/x
  3. Step 3: Cross multiply
    238,318.77x = 328,880.07 × 130,894.14
  4. Step 4: Simplify right side
    238,318.77x = 43,048,473,925.79
  5. Step 5: Solve for x
    x = 43,048,473,925.79/238,318.77
  6. Step 6: Final answer
    x = 180,634.01

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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.