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Finding the Fourth Proportional to 508,103.95, 701,196.32 and 278,670.37

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Solution

The fourth proportional to 508,103.95, 701,196.32 and 278,670.37 is: 384,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,103.95 : 701,196.32 = 278,670.37 : x
  2. Step 2: Convert to fraction form
    508,103.95/701,196.32 = 278,670.37/x
  3. Step 3: Cross multiply
    508,103.95x = 701,196.32 × 278,670.37
  4. Step 4: Simplify right side
    508,103.95x = 195,402,637,209.41
  5. Step 5: Solve for x
    x = 195,402,637,209.41/508,103.95
  6. Step 6: Final answer
    x = 384,572.17

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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.