Home / 329,810.05-455,421.94-207,506.35

Finding the Fourth Proportional to 329,810.05, 455,421.94 and 207,506.35

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Solution

The fourth proportional to 329,810.05, 455,421.94 and 207,506.35 is: 286,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,810.05 : 455,421.94 = 207,506.35 : x
  2. Step 2: Convert to fraction form
    329,810.05/455,421.94 = 207,506.35/x
  3. Step 3: Cross multiply
    329,810.05x = 455,421.94 × 207,506.35
  4. Step 4: Simplify right side
    329,810.05x = 94,502,944,529.83
  5. Step 5: Solve for x
    x = 94,502,944,529.83/329,810.05
  6. Step 6: Final answer
    x = 286,537.49

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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.