Home / 228,583.07-342,875.75-93,720.80

Finding the Fourth Proportional to 228,583.07, 342,875.75 and 93,720.80

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Solution

The fourth proportional to 228,583.07, 342,875.75 and 93,720.80 is: 140,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,583.07 : 342,875.75 = 93,720.80 : x
  2. Step 2: Convert to fraction form
    228,583.07/342,875.75 = 93,720.80/x
  3. Step 3: Cross multiply
    228,583.07x = 342,875.75 × 93,720.80
  4. Step 4: Simplify right side
    228,583.07x = 32,134,589,979.19
  5. Step 5: Solve for x
    x = 32,134,589,979.19/228,583.07
  6. Step 6: Final answer
    x = 140,581.67

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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.