Home / 281,089.60-388,019.04-190,569.52

Finding the Fourth Proportional to 281,089.60, 388,019.04 and 190,569.52

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Solution

The fourth proportional to 281,089.60, 388,019.04 and 190,569.52 is: 263,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,089.60 : 388,019.04 = 190,569.52 : x
  2. Step 2: Convert to fraction form
    281,089.60/388,019.04 = 190,569.52/x
  3. Step 3: Cross multiply
    281,089.60x = 388,019.04 × 190,569.52
  4. Step 4: Simplify right side
    281,089.60x = 73,944,602,203.66
  5. Step 5: Solve for x
    x = 73,944,602,203.66/281,089.60
  6. Step 6: Final answer
    x = 263,064.17

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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.