Home / 400,342.32-552,479.40-219,070.26

Finding the Fourth Proportional to 400,342.32, 552,479.40 and 219,070.26

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Solution

The fourth proportional to 400,342.32, 552,479.40 and 219,070.26 is: 302,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,342.32 : 552,479.40 = 219,070.26 : x
  2. Step 2: Convert to fraction form
    400,342.32/552,479.40 = 219,070.26/x
  3. Step 3: Cross multiply
    400,342.32x = 552,479.40 × 219,070.26
  4. Step 4: Simplify right side
    400,342.32x = 121,031,805,802.64
  5. Step 5: Solve for x
    x = 121,031,805,802.64/400,342.32
  6. Step 6: Final answer
    x = 302,320.79

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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.