Home / 316,127.75-474,525.83-308,988.57

Finding the Fourth Proportional to 316,127.75, 474,525.83 and 308,988.57

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Solution

The fourth proportional to 316,127.75, 474,525.83 and 308,988.57 is: 463,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,127.75 : 474,525.83 = 308,988.57 : x
  2. Step 2: Convert to fraction form
    316,127.75/474,525.83 = 308,988.57/x
  3. Step 3: Cross multiply
    316,127.75x = 474,525.83 × 308,988.57
  4. Step 4: Simplify right side
    316,127.75x = 146,623,057,639.76
  5. Step 5: Solve for x
    x = 146,623,057,639.76/316,127.75
  6. Step 6: Final answer
    x = 463,809.51

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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.