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Finding the Fourth Proportional to 248,846.40, 373,269.60 and 124,430.40

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Solution

The fourth proportional to 248,846.40, 373,269.60 and 124,430.40 is: 186,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,846.40 : 373,269.60 = 124,430.40 : x
  2. Step 2: Convert to fraction form
    248,846.40/373,269.60 = 124,430.40/x
  3. Step 3: Cross multiply
    248,846.40x = 373,269.60 × 124,430.40
  4. Step 4: Simplify right side
    248,846.40x = 46,446,085,635.84
  5. Step 5: Solve for x
    x = 46,446,085,635.84/248,846.40
  6. Step 6: Final answer
    x = 186,645.60

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1.5x scale

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.