Home / 290,534.56-400,975.08-163,210.24

Finding the Fourth Proportional to 290,534.56, 400,975.08 and 163,210.24

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Solution

The fourth proportional to 290,534.56, 400,975.08 and 163,210.24 is: 225,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,534.56 : 400,975.08 = 163,210.24 : x
  2. Step 2: Convert to fraction form
    290,534.56/400,975.08 = 163,210.24/x
  3. Step 3: Cross multiply
    290,534.56x = 400,975.08 × 163,210.24
  4. Step 4: Simplify right side
    290,534.56x = 65,443,239,040.82
  5. Step 5: Solve for x
    x = 65,443,239,040.82/290,534.56
  6. Step 6: Final answer
    x = 225,251.13

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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.