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Finding the Fourth Proportional to 377,703.74, 521,268.82 and 282,044.36

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Solution

The fourth proportional to 377,703.74, 521,268.82 and 282,044.36 is: 389,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,703.74 : 521,268.82 = 282,044.36 : x
  2. Step 2: Convert to fraction form
    377,703.74/521,268.82 = 282,044.36/x
  3. Step 3: Cross multiply
    377,703.74x = 521,268.82 × 282,044.36
  4. Step 4: Simplify right side
    377,703.74x = 147,020,931,322.92
  5. Step 5: Solve for x
    x = 147,020,931,322.92/377,703.74
  6. Step 6: Final answer
    x = 389,249.34

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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.