Home / 243,973.07-336,642.66-153,264.79

Finding the Fourth Proportional to 243,973.07, 336,642.66 and 153,264.79

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Solution

The fourth proportional to 243,973.07, 336,642.66 and 153,264.79 is: 211,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,973.07 : 336,642.66 = 153,264.79 : x
  2. Step 2: Convert to fraction form
    243,973.07/336,642.66 = 153,264.79/x
  3. Step 3: Cross multiply
    243,973.07x = 336,642.66 × 153,264.79
  4. Step 4: Simplify right side
    243,973.07x = 51,595,466,354.52
  5. Step 5: Solve for x
    x = 51,595,466,354.52/243,973.07
  6. Step 6: Final answer
    x = 211,480.17

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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.