Home / 319,847.20-478,729.26-235,574.20

Finding the Fourth Proportional to 319,847.20, 478,729.26 and 235,574.20

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Solution

The fourth proportional to 319,847.20, 478,729.26 and 235,574.20 is: 352,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,847.20 : 478,729.26 = 235,574.20 : x
  2. Step 2: Convert to fraction form
    319,847.20/478,729.26 = 235,574.20/x
  3. Step 3: Cross multiply
    319,847.20x = 478,729.26 × 235,574.20
  4. Step 4: Simplify right side
    319,847.20x = 112,776,262,441.09
  5. Step 5: Solve for x
    x = 112,776,262,441.09/319,847.20
  6. Step 6: Final answer
    x = 352,594.18

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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.