Home / 350,902.10-526,535.40-163,913.60

Finding the Fourth Proportional to 350,902.10, 526,535.40 and 163,913.60

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Solution

The fourth proportional to 350,902.10, 526,535.40 and 163,913.60 is: 245,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,902.10 : 526,535.40 = 163,913.60 : x
  2. Step 2: Convert to fraction form
    350,902.10/526,535.40 = 163,913.60/x
  3. Step 3: Cross multiply
    350,902.10x = 526,535.40 × 163,913.60
  4. Step 4: Simplify right side
    350,902.10x = 86,306,312,941.44
  5. Step 5: Solve for x
    x = 86,306,312,941.44/350,902.10
  6. Step 6: Final answer
    x = 245,955.53

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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.