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Finding the Fourth Proportional to 245,165.49, 368,301.84 and 145,391.13

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Solution

The fourth proportional to 245,165.49, 368,301.84 and 145,391.13 is: 218,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,165.49 : 368,301.84 = 145,391.13 : x
  2. Step 2: Convert to fraction form
    245,165.49/368,301.84 = 145,391.13/x
  3. Step 3: Cross multiply
    245,165.49x = 368,301.84 × 145,391.13
  4. Step 4: Simplify right side
    245,165.49x = 53,547,820,698.68
  5. Step 5: Solve for x
    x = 53,547,820,698.68/245,165.49
  6. Step 6: Final answer
    x = 218,415.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.