Home / 287,851.58-397,234.41-160,527.32

Finding the Fourth Proportional to 287,851.58, 397,234.41 and 160,527.32

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Solution

The fourth proportional to 287,851.58, 397,234.41 and 160,527.32 is: 221,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,851.58 : 397,234.41 = 160,527.32 : x
  2. Step 2: Convert to fraction form
    287,851.58/397,234.41 = 160,527.32/x
  3. Step 3: Cross multiply
    287,851.58x = 397,234.41 × 160,527.32
  4. Step 4: Simplify right side
    287,851.58x = 63,766,975,249.08
  5. Step 5: Solve for x
    x = 63,766,975,249.08/287,851.58
  6. Step 6: Final answer
    x = 221,527.27

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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.