Home / 262,176.48-391,486.32-208,263.29

Finding the Fourth Proportional to 262,176.48, 391,486.32 and 208,263.29

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Solution

The fourth proportional to 262,176.48, 391,486.32 and 208,263.29 is: 310,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,176.48 : 391,486.32 = 208,263.29 : x
  2. Step 2: Convert to fraction form
    262,176.48/391,486.32 = 208,263.29/x
  3. Step 3: Cross multiply
    262,176.48x = 391,486.32 × 208,263.29
  4. Step 4: Simplify right side
    262,176.48x = 81,532,227,035.76
  5. Step 5: Solve for x
    x = 81,532,227,035.76/262,176.48
  6. Step 6: Final answer
    x = 310,982.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.