Home / 359,502-494,946.72-282,886.08

Finding the Fourth Proportional to 359,502, 494,946.72 and 282,886.08

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Solution

The fourth proportional to 359,502, 494,946.72 and 282,886.08 is: 389,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,502 : 494,946.72 = 282,886.08 : x
  2. Step 2: Convert to fraction form
    359,502/494,946.72 = 282,886.08/x
  3. Step 3: Cross multiply
    359,502x = 494,946.72 × 282,886.08
  4. Step 4: Simplify right side
    359,502x = 140,013,537,429.66
  5. Step 5: Solve for x
    x = 140,013,537,429.66/359,502
  6. Step 6: Final answer
    x = 389,465.25

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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.