Home / 255,242.10-382,280.49-122,216.34

Finding the Fourth Proportional to 255,242.10, 382,280.49 and 122,216.34

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Solution

The fourth proportional to 255,242.10, 382,280.49 and 122,216.34 is: 183,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,242.10 : 382,280.49 = 122,216.34 : x
  2. Step 2: Convert to fraction form
    255,242.10/382,280.49 = 122,216.34/x
  3. Step 3: Cross multiply
    255,242.10x = 382,280.49 × 122,216.34
  4. Step 4: Simplify right side
    255,242.10x = 46,720,922,341.21
  5. Step 5: Solve for x
    x = 46,720,922,341.21/255,242.10
  6. Step 6: Final answer
    x = 183,045.52

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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.