Home / 221,941.48-306,280.74-121,341.16

Finding the Fourth Proportional to 221,941.48, 306,280.74 and 121,341.16

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Solution

The fourth proportional to 221,941.48, 306,280.74 and 121,341.16 is: 167,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,941.48 : 306,280.74 = 121,341.16 : x
  2. Step 2: Convert to fraction form
    221,941.48/306,280.74 = 121,341.16/x
  3. Step 3: Cross multiply
    221,941.48x = 306,280.74 × 121,341.16
  4. Step 4: Simplify right side
    221,941.48x = 37,164,460,277.26
  5. Step 5: Solve for x
    x = 37,164,460,277.26/221,941.48
  6. Step 6: Final answer
    x = 167,451.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.