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Finding the Fourth Proportional to 369,811.66, 510,203.11 and 273,248.32

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Solution

The fourth proportional to 369,811.66, 510,203.11 and 273,248.32 is: 376,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,811.66 : 510,203.11 = 273,248.32 : x
  2. Step 2: Convert to fraction form
    369,811.66/510,203.11 = 273,248.32/x
  3. Step 3: Cross multiply
    369,811.66x = 510,203.11 × 273,248.32
  4. Step 4: Simplify right side
    369,811.66x = 139,412,138,749.02
  5. Step 5: Solve for x
    x = 139,412,138,749.02/369,811.66
  6. Step 6: Final answer
    x = 376,981.46

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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.