Home / 281,742.48-388,808.64-168,543.36

Finding the Fourth Proportional to 281,742.48, 388,808.64 and 168,543.36

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Solution

The fourth proportional to 281,742.48, 388,808.64 and 168,543.36 is: 232,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,742.48 : 388,808.64 = 168,543.36 : x
  2. Step 2: Convert to fraction form
    281,742.48/388,808.64 = 168,543.36/x
  3. Step 3: Cross multiply
    281,742.48x = 388,808.64 × 168,543.36
  4. Step 4: Simplify right side
    281,742.48x = 65,531,114,582.63
  5. Step 5: Solve for x
    x = 65,531,114,582.63/281,742.48
  6. Step 6: Final answer
    x = 232,592.24

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1.5x scale

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.