Home / 314,812.95-434,429.21-171,569.91

Finding the Fourth Proportional to 314,812.95, 434,429.21 and 171,569.91

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Solution

The fourth proportional to 314,812.95, 434,429.21 and 171,569.91 is: 236,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,812.95 : 434,429.21 = 171,569.91 : x
  2. Step 2: Convert to fraction form
    314,812.95/434,429.21 = 171,569.91/x
  3. Step 3: Cross multiply
    314,812.95x = 434,429.21 × 171,569.91
  4. Step 4: Simplify right side
    314,812.95x = 74,534,979,603.22
  5. Step 5: Solve for x
    x = 74,534,979,603.22/314,812.95
  6. Step 6: Final answer
    x = 236,759.57

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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.