Home / 236,478.40-354,717.60-70,266.40

Finding the Fourth Proportional to 236,478.40, 354,717.60 and 70,266.40

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Solution

The fourth proportional to 236,478.40, 354,717.60 and 70,266.40 is: 105,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,478.40 : 354,717.60 = 70,266.40 : x
  2. Step 2: Convert to fraction form
    236,478.40/354,717.60 = 70,266.40/x
  3. Step 3: Cross multiply
    236,478.40x = 354,717.60 × 70,266.40
  4. Step 4: Simplify right side
    236,478.40x = 24,924,728,768.64
  5. Step 5: Solve for x
    x = 24,924,728,768.64/236,478.40
  6. Step 6: Final answer
    x = 105,399.60

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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.