Home / 385,058.07-577,603.50-118,812.69

Finding the Fourth Proportional to 385,058.07, 577,603.50 and 118,812.69

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Solution

The fourth proportional to 385,058.07, 577,603.50 and 118,812.69 is: 178,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,058.07 : 577,603.50 = 118,812.69 : x
  2. Step 2: Convert to fraction form
    385,058.07/577,603.50 = 118,812.69/x
  3. Step 3: Cross multiply
    385,058.07x = 577,603.50 × 118,812.69
  4. Step 4: Simplify right side
    385,058.07x = 68,626,625,588.42
  5. Step 5: Solve for x
    x = 68,626,625,588.42/385,058.07
  6. Step 6: Final answer
    x = 178,224.09

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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.