Home / 287,850.58-397,233.03-160,526.32

Finding the Fourth Proportional to 287,850.58, 397,233.03 and 160,526.32

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Solution

The fourth proportional to 287,850.58, 397,233.03 and 160,526.32 is: 221,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,850.58 : 397,233.03 = 160,526.32 : x
  2. Step 2: Convert to fraction form
    287,850.58/397,233.03 = 160,526.32/x
  3. Step 3: Cross multiply
    287,850.58x = 397,233.03 × 160,526.32
  4. Step 4: Simplify right side
    287,850.58x = 63,766,356,488.35
  5. Step 5: Solve for x
    x = 63,766,356,488.35/287,850.58
  6. Step 6: Final answer
    x = 221,525.89

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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.