Home / 438,143.22-604,633.01-247,218.74

Finding the Fourth Proportional to 438,143.22, 604,633.01 and 247,218.74

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Solution

The fourth proportional to 438,143.22, 604,633.01 and 247,218.74 is: 341,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,143.22 : 604,633.01 = 247,218.74 : x
  2. Step 2: Convert to fraction form
    438,143.22/604,633.01 = 247,218.74/x
  3. Step 3: Cross multiply
    438,143.22x = 604,633.01 × 247,218.74
  4. Step 4: Simplify right side
    438,143.22x = 149,476,610,894.61
  5. Step 5: Solve for x
    x = 149,476,610,894.61/438,143.22
  6. Step 6: Final answer
    x = 341,159.25

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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.