Home / 240,804.04-332,346.90-137,438.32

Finding the Fourth Proportional to 240,804.04, 332,346.90 and 137,438.32

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Solution

The fourth proportional to 240,804.04, 332,346.90 and 137,438.32 is: 189,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,804.04 : 332,346.90 = 137,438.32 : x
  2. Step 2: Convert to fraction form
    240,804.04/332,346.90 = 137,438.32/x
  3. Step 3: Cross multiply
    240,804.04x = 332,346.90 × 137,438.32
  4. Step 4: Simplify right side
    240,804.04x = 45,677,199,593.21
  5. Step 5: Solve for x
    x = 45,677,199,593.21/240,804.04
  6. Step 6: Final answer
    x = 189,686.18

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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.