Home / 318,570.36-478,151.18-160,909.56

Finding the Fourth Proportional to 318,570.36, 478,151.18 and 160,909.56

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Solution

The fourth proportional to 318,570.36, 478,151.18 and 160,909.56 is: 241,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,570.36 : 478,151.18 = 160,909.56 : x
  2. Step 2: Convert to fraction form
    318,570.36/478,151.18 = 160,909.56/x
  3. Step 3: Cross multiply
    318,570.36x = 478,151.18 × 160,909.56
  4. Step 4: Simplify right side
    318,570.36x = 76,939,095,987.28
  5. Step 5: Solve for x
    x = 76,939,095,987.28/318,570.36
  6. Step 6: Final answer
    x = 241,513.67

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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.