Home / 452,535.07-678,885.90-148,946.26

Finding the Fourth Proportional to 452,535.07, 678,885.90 and 148,946.26

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Solution

The fourth proportional to 452,535.07, 678,885.90 and 148,946.26 is: 223,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,535.07 : 678,885.90 = 148,946.26 : x
  2. Step 2: Convert to fraction form
    452,535.07/678,885.90 = 148,946.26/x
  3. Step 3: Cross multiply
    452,535.07x = 678,885.90 × 148,946.26
  4. Step 4: Simplify right side
    452,535.07x = 101,117,515,771.73
  5. Step 5: Solve for x
    x = 101,117,515,771.73/452,535.07
  6. Step 6: Final answer
    x = 223,446.81

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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.