Home / 287,914.41-397,322.55-160,598.34

Finding the Fourth Proportional to 287,914.41, 397,322.55 and 160,598.34

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Solution

The fourth proportional to 287,914.41, 397,322.55 and 160,598.34 is: 221,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,914.41 : 397,322.55 = 160,598.34 : x
  2. Step 2: Convert to fraction form
    287,914.41/397,322.55 = 160,598.34/x
  3. Step 3: Cross multiply
    287,914.41x = 397,322.55 × 160,598.34
  4. Step 4: Simplify right side
    287,914.41x = 63,809,341,974.57
  5. Step 5: Solve for x
    x = 63,809,341,974.57/287,914.41
  6. Step 6: Final answer
    x = 221,626.08

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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.