Home / 259,068.20-388,602.30-148,271.40

Finding the Fourth Proportional to 259,068.20, 388,602.30 and 148,271.40

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Solution

The fourth proportional to 259,068.20, 388,602.30 and 148,271.40 is: 222,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,068.20 : 388,602.30 = 148,271.40 : x
  2. Step 2: Convert to fraction form
    259,068.20/388,602.30 = 148,271.40/x
  3. Step 3: Cross multiply
    259,068.20x = 388,602.30 × 148,271.40
  4. Step 4: Simplify right side
    259,068.20x = 57,618,607,064.22
  5. Step 5: Solve for x
    x = 57,618,607,064.22/259,068.20
  6. Step 6: Final answer
    x = 222,407.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.