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Finding the Fourth Proportional to 395,400.02, 545,651.03 and 214,111.94

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Solution

The fourth proportional to 395,400.02, 545,651.03 and 214,111.94 is: 295,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,400.02 : 545,651.03 = 214,111.94 : x
  2. Step 2: Convert to fraction form
    395,400.02/545,651.03 = 214,111.94/x
  3. Step 3: Cross multiply
    395,400.02x = 545,651.03 × 214,111.94
  4. Step 4: Simplify right side
    395,400.02x = 116,830,402,495.71
  5. Step 5: Solve for x
    x = 116,830,402,495.71/395,400.02
  6. Step 6: Final answer
    x = 295,473.95

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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.