Home / 515,831.20-773,090.70-249,017.20

Finding the Fourth Proportional to 515,831.20, 773,090.70 and 249,017.20

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Solution

The fourth proportional to 515,831.20, 773,090.70 and 249,017.20 is: 373,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,831.20 : 773,090.70 = 249,017.20 : x
  2. Step 2: Convert to fraction form
    515,831.20/773,090.70 = 249,017.20/x
  3. Step 3: Cross multiply
    515,831.20x = 773,090.70 × 249,017.20
  4. Step 4: Simplify right side
    515,831.20x = 192,512,881,460.04
  5. Step 5: Solve for x
    x = 192,512,881,460.04/515,831.20
  6. Step 6: Final answer
    x = 373,209.07

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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.