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Finding the Fourth Proportional to 444,230, 613,046.28 and 243,030.32

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Solution

The fourth proportional to 444,230, 613,046.28 and 243,030.32 is: 335,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,230 : 613,046.28 = 243,030.32 : x
  2. Step 2: Convert to fraction form
    444,230/613,046.28 = 243,030.32/x
  3. Step 3: Cross multiply
    444,230x = 613,046.28 × 243,030.32
  4. Step 4: Simplify right side
    444,230x = 148,988,833,603.21
  5. Step 5: Solve for x
    x = 148,988,833,603.21/444,230
  6. Step 6: Final answer
    x = 335,386.70

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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.