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Finding the Fourth Proportional to 369,717.32, 510,210.06 and 208,571.96

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Solution

The fourth proportional to 369,717.32, 510,210.06 and 208,571.96 is: 287,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,717.32 : 510,210.06 = 208,571.96 : x
  2. Step 2: Convert to fraction form
    369,717.32/510,210.06 = 208,571.96/x
  3. Step 3: Cross multiply
    369,717.32x = 510,210.06 × 208,571.96
  4. Step 4: Simplify right side
    369,717.32x = 106,415,512,225.92
  5. Step 5: Solve for x
    x = 106,415,512,225.92/369,717.32
  6. Step 6: Final answer
    x = 287,829.39

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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.