Home / 318,532.08-477,782.04-118,836.84

Finding the Fourth Proportional to 318,532.08, 477,782.04 and 118,836.84

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Solution

The fourth proportional to 318,532.08, 477,782.04 and 118,836.84 is: 178,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,532.08 : 477,782.04 = 118,836.84 : x
  2. Step 2: Convert to fraction form
    318,532.08/477,782.04 = 118,836.84/x
  3. Step 3: Cross multiply
    318,532.08x = 477,782.04 × 118,836.84
  4. Step 4: Simplify right side
    318,532.08x = 56,778,107,842.35
  5. Step 5: Solve for x
    x = 56,778,107,842.35/318,532.08
  6. Step 6: Final answer
    x = 178,249.26

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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.