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Finding the Fourth Proportional to 448,308, 618,665.04 and 247,108.32

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Solution

The fourth proportional to 448,308, 618,665.04 and 247,108.32 is: 341,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,308 : 618,665.04 = 247,108.32 : x
  2. Step 2: Convert to fraction form
    448,308/618,665.04 = 247,108.32/x
  3. Step 3: Cross multiply
    448,308x = 618,665.04 × 247,108.32
  4. Step 4: Simplify right side
    448,308x = 152,877,278,677.13
  5. Step 5: Solve for x
    x = 152,877,278,677.13/448,308
  6. Step 6: Final answer
    x = 341,009.48

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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.