Home / 238,037.77-328,513.41-130,628.74

Finding the Fourth Proportional to 238,037.77, 328,513.41 and 130,628.74

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Solution

The fourth proportional to 238,037.77, 328,513.41 and 130,628.74 is: 180,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,037.77 : 328,513.41 = 130,628.74 : x
  2. Step 2: Convert to fraction form
    238,037.77/328,513.41 = 130,628.74/x
  3. Step 3: Cross multiply
    238,037.77x = 328,513.41 × 130,628.74
  4. Step 4: Simplify right side
    238,037.77x = 42,913,292,821.40
  5. Step 5: Solve for x
    x = 42,913,292,821.40/238,037.77
  6. Step 6: Final answer
    x = 180,279.34

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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.