Home / 328,650.90-453,814.79-208,005.06

Finding the Fourth Proportional to 328,650.90, 453,814.79 and 208,005.06

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Solution

The fourth proportional to 328,650.90, 453,814.79 and 208,005.06 is: 287,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,650.90 : 453,814.79 = 208,005.06 : x
  2. Step 2: Convert to fraction form
    328,650.90/453,814.79 = 208,005.06/x
  3. Step 3: Cross multiply
    328,650.90x = 453,814.79 × 208,005.06
  4. Step 4: Simplify right side
    328,650.90x = 94,395,772,622.84
  5. Step 5: Solve for x
    x = 94,395,772,622.84/328,650.90
  6. Step 6: Final answer
    x = 287,222.01

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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.