Home / 637,429.11-955,920.80-188,030.64

Finding the Fourth Proportional to 637,429.11, 955,920.80 and 188,030.64

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Solution

The fourth proportional to 637,429.11, 955,920.80 and 188,030.64 is: 281,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,429.11 : 955,920.80 = 188,030.64 : x
  2. Step 2: Convert to fraction form
    637,429.11/955,920.80 = 188,030.64/x
  3. Step 3: Cross multiply
    637,429.11x = 955,920.80 × 188,030.64
  4. Step 4: Simplify right side
    637,429.11x = 179,742,399,813.31
  5. Step 5: Solve for x
    x = 179,742,399,813.31/637,429.11
  6. Step 6: Final answer
    x = 281,980.22

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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.