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Finding the Fourth Proportional to 248,866.70, 373,300.05 and 173,828.30

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Solution

The fourth proportional to 248,866.70, 373,300.05 and 173,828.30 is: 260,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,866.70 : 373,300.05 = 173,828.30 : x
  2. Step 2: Convert to fraction form
    248,866.70/373,300.05 = 173,828.30/x
  3. Step 3: Cross multiply
    248,866.70x = 373,300.05 × 173,828.30
  4. Step 4: Simplify right side
    248,866.70x = 64,890,113,081.42
  5. Step 5: Solve for x
    x = 64,890,113,081.42/248,866.70
  6. Step 6: Final answer
    x = 260,742.45

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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.