Home / 434,242.97-651,339.74-130,630.67

Finding the Fourth Proportional to 434,242.97, 651,339.74 and 130,630.67

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Solution

The fourth proportional to 434,242.97, 651,339.74 and 130,630.67 is: 195,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,242.97 : 651,339.74 = 130,630.67 : x
  2. Step 2: Convert to fraction form
    434,242.97/651,339.74 = 130,630.67/x
  3. Step 3: Cross multiply
    434,242.97x = 651,339.74 × 130,630.67
  4. Step 4: Simplify right side
    434,242.97x = 85,084,943,703.70
  5. Step 5: Solve for x
    x = 85,084,943,703.70/434,242.97
  6. Step 6: Final answer
    x = 195,938.57

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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.