Home / 313,623.80-470,435.70-103,234.40

Finding the Fourth Proportional to 313,623.80, 470,435.70 and 103,234.40

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Solution

The fourth proportional to 313,623.80, 470,435.70 and 103,234.40 is: 154,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,623.80 : 470,435.70 = 103,234.40 : x
  2. Step 2: Convert to fraction form
    313,623.80/470,435.70 = 103,234.40/x
  3. Step 3: Cross multiply
    313,623.80x = 470,435.70 × 103,234.40
  4. Step 4: Simplify right side
    313,623.80x = 48,565,147,228.08
  5. Step 5: Solve for x
    x = 48,565,147,228.08/313,623.80
  6. Step 6: Final answer
    x = 154,851.60

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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.