Home / 281,352.23-388,303.04-160,465.80

Finding the Fourth Proportional to 281,352.23, 388,303.04 and 160,465.80

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Solution

The fourth proportional to 281,352.23, 388,303.04 and 160,465.80 is: 221,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,352.23 : 388,303.04 = 160,465.80 : x
  2. Step 2: Convert to fraction form
    281,352.23/388,303.04 = 160,465.80/x
  3. Step 3: Cross multiply
    281,352.23x = 388,303.04 × 160,465.80
  4. Step 4: Simplify right side
    281,352.23x = 62,309,358,124.46
  5. Step 5: Solve for x
    x = 62,309,358,124.46/281,352.23
  6. Step 6: Final answer
    x = 221,463.89

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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.