Home / 255,030.48-382,546.44-121,880.52

Finding the Fourth Proportional to 255,030.48, 382,546.44 and 121,880.52

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Solution

The fourth proportional to 255,030.48, 382,546.44 and 121,880.52 is: 182,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,030.48 : 382,546.44 = 121,880.52 : x
  2. Step 2: Convert to fraction form
    255,030.48/382,546.44 = 121,880.52/x
  3. Step 3: Cross multiply
    255,030.48x = 382,546.44 × 121,880.52
  4. Step 4: Simplify right side
    255,030.48x = 46,624,959,031.35
  5. Step 5: Solve for x
    x = 46,624,959,031.35/255,030.48
  6. Step 6: Final answer
    x = 182,821.12

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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.