Home / 228,715.07-315,232.74-152,097.22

Finding the Fourth Proportional to 228,715.07, 315,232.74 and 152,097.22

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Solution

The fourth proportional to 228,715.07, 315,232.74 and 152,097.22 is: 209,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,715.07 : 315,232.74 = 152,097.22 : x
  2. Step 2: Convert to fraction form
    228,715.07/315,232.74 = 152,097.22/x
  3. Step 3: Cross multiply
    228,715.07x = 315,232.74 × 152,097.22
  4. Step 4: Simplify right side
    228,715.07x = 47,946,023,406.98
  5. Step 5: Solve for x
    x = 47,946,023,406.98/228,715.07
  6. Step 6: Final answer
    x = 209,632.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.