Home / 243,895.04-336,534.72-143,312.48

Finding the Fourth Proportional to 243,895.04, 336,534.72 and 143,312.48

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Solution

The fourth proportional to 243,895.04, 336,534.72 and 143,312.48 is: 197,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,895.04 : 336,534.72 = 143,312.48 : x
  2. Step 2: Convert to fraction form
    243,895.04/336,534.72 = 143,312.48/x
  3. Step 3: Cross multiply
    243,895.04x = 336,534.72 × 143,312.48
  4. Step 4: Simplify right side
    243,895.04x = 48,229,625,329.31
  5. Step 5: Solve for x
    x = 48,229,625,329.31/243,895.04
  6. Step 6: Final answer
    x = 197,747.46

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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.