Home / 304,888.46-457,488.81-145,145.12

Finding the Fourth Proportional to 304,888.46, 457,488.81 and 145,145.12

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Solution

The fourth proportional to 304,888.46, 457,488.81 and 145,145.12 is: 217,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,888.46 : 457,488.81 = 145,145.12 : x
  2. Step 2: Convert to fraction form
    304,888.46/457,488.81 = 145,145.12/x
  3. Step 3: Cross multiply
    304,888.46x = 457,488.81 × 145,145.12
  4. Step 4: Simplify right side
    304,888.46x = 66,402,265,938.66
  5. Step 5: Solve for x
    x = 66,402,265,938.66/304,888.46
  6. Step 6: Final answer
    x = 217,792.00

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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.