Home / 304,575.03-420,316.86-168,611.25

Finding the Fourth Proportional to 304,575.03, 420,316.86 and 168,611.25

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Solution

The fourth proportional to 304,575.03, 420,316.86 and 168,611.25 is: 232,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,575.03 : 420,316.86 = 168,611.25 : x
  2. Step 2: Convert to fraction form
    304,575.03/420,316.86 = 168,611.25/x
  3. Step 3: Cross multiply
    304,575.03x = 420,316.86 × 168,611.25
  4. Step 4: Simplify right side
    304,575.03x = 70,870,151,160.68
  5. Step 5: Solve for x
    x = 70,870,151,160.68/304,575.03
  6. Step 6: Final answer
    x = 232,685.36

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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.