Home / 318,612.86-477,918.69-94,130.98

Finding the Fourth Proportional to 318,612.86, 477,918.69 and 94,130.98

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Solution

The fourth proportional to 318,612.86, 477,918.69 and 94,130.98 is: 141,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,612.86 : 477,918.69 = 94,130.98 : x
  2. Step 2: Convert to fraction form
    318,612.86/477,918.69 = 94,130.98/x
  3. Step 3: Cross multiply
    318,612.86x = 477,918.69 × 94,130.98
  4. Step 4: Simplify right side
    318,612.86x = 44,986,954,650.02
  5. Step 5: Solve for x
    x = 44,986,954,650.02/318,612.86
  6. Step 6: Final answer
    x = 141,196.29

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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.