Home / 238,054.40-328,504.06-130,621.76

Finding the Fourth Proportional to 238,054.40, 328,504.06 and 130,621.76

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Solution

The fourth proportional to 238,054.40, 328,504.06 and 130,621.76 is: 180,251.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,054.40 : 328,504.06 = 130,621.76 : x
  2. Step 2: Convert to fraction form
    238,054.40/328,504.06 = 130,621.76/x
  3. Step 3: Cross multiply
    238,054.40x = 328,504.06 × 130,621.76
  4. Step 4: Simplify right side
    238,054.40x = 42,909,778,484.35
  5. Step 5: Solve for x
    x = 42,909,778,484.35/238,054.40
  6. Step 6: Final answer
    x = 180,251.99

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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.