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Finding the Fourth Proportional to 448,317.52, 618,674.12 and 244,368.40

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Solution

The fourth proportional to 448,317.52, 618,674.12 and 244,368.40 is: 337,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,317.52 : 618,674.12 = 244,368.40 : x
  2. Step 2: Convert to fraction form
    448,317.52/618,674.12 = 244,368.40/x
  3. Step 3: Cross multiply
    448,317.52x = 618,674.12 × 244,368.40
  4. Step 4: Simplify right side
    448,317.52x = 151,184,404,825.81
  5. Step 5: Solve for x
    x = 151,184,404,825.81/448,317.52
  6. Step 6: Final answer
    x = 337,226.18

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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.