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Finding the Fourth Proportional to 377,058.36, 520,345.44 and 207,291

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Solution

The fourth proportional to 377,058.36, 520,345.44 and 207,291 is: 286,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,058.36 : 520,345.44 = 207,291 : x
  2. Step 2: Convert to fraction form
    377,058.36/520,345.44 = 207,291/x
  3. Step 3: Cross multiply
    377,058.36x = 520,345.44 × 207,291
  4. Step 4: Simplify right side
    377,058.36x = 107,862,926,603.04
  5. Step 5: Solve for x
    x = 107,862,926,603.04/377,058.36
  6. Step 6: Final answer
    x = 286,064.28

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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.