Home / 286,930.02-430,210.38-137,166.96

Finding the Fourth Proportional to 286,930.02, 430,210.38 and 137,166.96

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Solution

The fourth proportional to 286,930.02, 430,210.38 and 137,166.96 is: 205,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,930.02 : 430,210.38 = 137,166.96 : x
  2. Step 2: Convert to fraction form
    286,930.02/430,210.38 = 137,166.96/x
  3. Step 3: Cross multiply
    286,930.02x = 430,210.38 × 137,166.96
  4. Step 4: Simplify right side
    286,930.02x = 59,010,649,985.04
  5. Step 5: Solve for x
    x = 59,010,649,985.04/286,930.02
  6. Step 6: Final answer
    x = 205,662.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.