Home / 315,022.67-434,715.50-179,038.65

Finding the Fourth Proportional to 315,022.67, 434,715.50 and 179,038.65

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Solution

The fourth proportional to 315,022.67, 434,715.50 and 179,038.65 is: 247,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,022.67 : 434,715.50 = 179,038.65 : x
  2. Step 2: Convert to fraction form
    315,022.67/434,715.50 = 179,038.65/x
  3. Step 3: Cross multiply
    315,022.67x = 434,715.50 × 179,038.65
  4. Step 4: Simplify right side
    315,022.67x = 77,830,876,701.67
  5. Step 5: Solve for x
    x = 77,830,876,701.67/315,022.67
  6. Step 6: Final answer
    x = 247,064.37

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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.