Home / 218,946.24-302,145.36-118,344

Finding the Fourth Proportional to 218,946.24, 302,145.36 and 118,344

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Solution

The fourth proportional to 218,946.24, 302,145.36 and 118,344 is: 163,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,946.24 : 302,145.36 = 118,344 : x
  2. Step 2: Convert to fraction form
    218,946.24/302,145.36 = 118,344/x
  3. Step 3: Cross multiply
    218,946.24x = 302,145.36 × 118,344
  4. Step 4: Simplify right side
    218,946.24x = 35,757,090,483.84
  5. Step 5: Solve for x
    x = 35,757,090,483.84/218,946.24
  6. Step 6: Final answer
    x = 163,314.48

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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.