Home / 487,153.96-672,268.32-269,368.25

Finding the Fourth Proportional to 487,153.96, 672,268.32 and 269,368.25

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Solution

The fourth proportional to 487,153.96, 672,268.32 and 269,368.25 is: 371,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,153.96 : 672,268.32 = 269,368.25 : x
  2. Step 2: Convert to fraction form
    487,153.96/672,268.32 = 269,368.25/x
  3. Step 3: Cross multiply
    487,153.96x = 672,268.32 × 269,368.25
  4. Step 4: Simplify right side
    487,153.96x = 181,087,737,527.50
  5. Step 5: Solve for x
    x = 181,087,737,527.50/487,153.96
  6. Step 6: Final answer
    x = 371,725.89

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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.