Home / 228,530.08-315,334.02-143,587

Finding the Fourth Proportional to 228,530.08, 315,334.02 and 143,587

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Solution

The fourth proportional to 228,530.08, 315,334.02 and 143,587 is: 198,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,530.08 : 315,334.02 = 143,587 : x
  2. Step 2: Convert to fraction form
    228,530.08/315,334.02 = 143,587/x
  3. Step 3: Cross multiply
    228,530.08x = 315,334.02 × 143,587
  4. Step 4: Simplify right side
    228,530.08x = 45,277,865,929.74
  5. Step 5: Solve for x
    x = 45,277,865,929.74/228,530.08
  6. Step 6: Final answer
    x = 198,126.50

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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.