Home / 228,109.12-342,222.72-70,334.08

Finding the Fourth Proportional to 228,109.12, 342,222.72 and 70,334.08

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Solution

The fourth proportional to 228,109.12, 342,222.72 and 70,334.08 is: 105,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,109.12 : 342,222.72 = 70,334.08 : x
  2. Step 2: Convert to fraction form
    228,109.12/342,222.72 = 70,334.08/x
  3. Step 3: Cross multiply
    228,109.12x = 342,222.72 × 70,334.08
  4. Step 4: Simplify right side
    228,109.12x = 24,069,920,166.30
  5. Step 5: Solve for x
    x = 24,069,920,166.30/228,109.12
  6. Step 6: Final answer
    x = 105,519.32

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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.