Home / 356,946.14-492,307.29-221,055.55

Finding the Fourth Proportional to 356,946.14, 492,307.29 and 221,055.55

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Solution

The fourth proportional to 356,946.14, 492,307.29 and 221,055.55 is: 304,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,946.14 : 492,307.29 = 221,055.55 : x
  2. Step 2: Convert to fraction form
    356,946.14/492,307.29 = 221,055.55/x
  3. Step 3: Cross multiply
    356,946.14x = 492,307.29 × 221,055.55
  4. Step 4: Simplify right side
    356,946.14x = 108,827,257,529.19
  5. Step 5: Solve for x
    x = 108,827,257,529.19/356,946.14
  6. Step 6: Final answer
    x = 304,884.25

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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.