Home / 403,535.46-556,857.41-231,444.48

Finding the Fourth Proportional to 403,535.46, 556,857.41 and 231,444.48

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Solution

The fourth proportional to 403,535.46, 556,857.41 and 231,444.48 is: 319,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,535.46 : 556,857.41 = 231,444.48 : x
  2. Step 2: Convert to fraction form
    403,535.46/556,857.41 = 231,444.48/x
  3. Step 3: Cross multiply
    403,535.46x = 556,857.41 × 231,444.48
  4. Step 4: Simplify right side
    403,535.46x = 128,881,572,534.37
  5. Step 5: Solve for x
    x = 128,881,572,534.37/403,535.46
  6. Step 6: Final answer
    x = 319,381.03

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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.