Home / 310,554.32-428,580.16-174,631.06

Finding the Fourth Proportional to 310,554.32, 428,580.16 and 174,631.06

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Solution

The fourth proportional to 310,554.32, 428,580.16 and 174,631.06 is: 240,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,554.32 : 428,580.16 = 174,631.06 : x
  2. Step 2: Convert to fraction form
    310,554.32/428,580.16 = 174,631.06/x
  3. Step 3: Cross multiply
    310,554.32x = 428,580.16 × 174,631.06
  4. Step 4: Simplify right side
    310,554.32x = 74,843,407,635.77
  5. Step 5: Solve for x
    x = 74,843,407,635.77/310,554.32
  6. Step 6: Final answer
    x = 240,999.41

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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.