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Finding the Fourth Proportional to 315,205.68, 472,896 and 175,062.72

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Solution

The fourth proportional to 315,205.68, 472,896 and 175,062.72 is: 262,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,205.68 : 472,896 = 175,062.72 : x
  2. Step 2: Convert to fraction form
    315,205.68/472,896 = 175,062.72/x
  3. Step 3: Cross multiply
    315,205.68x = 472,896 × 175,062.72
  4. Step 4: Simplify right side
    315,205.68x = 82,786,460,037.12
  5. Step 5: Solve for x
    x = 82,786,460,037.12/315,205.68
  6. Step 6: Final answer
    x = 262,642.67

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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.