Home / 293,070.80-439,606.20-245,831.60

Finding the Fourth Proportional to 293,070.80, 439,606.20 and 245,831.60

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Solution

The fourth proportional to 293,070.80, 439,606.20 and 245,831.60 is: 368,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,070.80 : 439,606.20 = 245,831.60 : x
  2. Step 2: Convert to fraction form
    293,070.80/439,606.20 = 245,831.60/x
  3. Step 3: Cross multiply
    293,070.80x = 439,606.20 × 245,831.60
  4. Step 4: Simplify right side
    293,070.80x = 108,069,095,515.92
  5. Step 5: Solve for x
    x = 108,069,095,515.92/293,070.80
  6. Step 6: Final answer
    x = 368,747.40

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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.