Home / 387,344.51-579,938.98-197,395.32

Finding the Fourth Proportional to 387,344.51, 579,938.98 and 197,395.32

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Solution

The fourth proportional to 387,344.51, 579,938.98 and 197,395.32 is: 295,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,344.51 : 579,938.98 = 197,395.32 : x
  2. Step 2: Convert to fraction form
    387,344.51/579,938.98 = 197,395.32/x
  3. Step 3: Cross multiply
    387,344.51x = 579,938.98 × 197,395.32
  4. Step 4: Simplify right side
    387,344.51x = 114,477,240,537.57
  5. Step 5: Solve for x
    x = 114,477,240,537.57/387,344.51
  6. Step 6: Final answer
    x = 295,543.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.