Home / 310,555.32-428,581.54-174,632.06

Finding the Fourth Proportional to 310,555.32, 428,581.54 and 174,632.06

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Solution

The fourth proportional to 310,555.32, 428,581.54 and 174,632.06 is: 241,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,555.32 : 428,581.54 = 174,632.06 : x
  2. Step 2: Convert to fraction form
    310,555.32/428,581.54 = 174,632.06/x
  3. Step 3: Cross multiply
    310,555.32x = 428,581.54 × 174,632.06
  4. Step 4: Simplify right side
    310,555.32x = 74,844,077,208.17
  5. Step 5: Solve for x
    x = 74,844,077,208.17/310,555.32
  6. Step 6: Final answer
    x = 241,000.79

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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.