Home / 307,271.07-424,032.57-171,303.66

Finding the Fourth Proportional to 307,271.07, 424,032.57 and 171,303.66

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Solution

The fourth proportional to 307,271.07, 424,032.57 and 171,303.66 is: 236,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,271.07 : 424,032.57 = 171,303.66 : x
  2. Step 2: Convert to fraction form
    307,271.07/424,032.57 = 171,303.66/x
  3. Step 3: Cross multiply
    307,271.07x = 424,032.57 × 171,303.66
  4. Step 4: Simplify right side
    307,271.07x = 72,638,331,200.21
  5. Step 5: Solve for x
    x = 72,638,331,200.21/307,271.07
  6. Step 6: Final answer
    x = 236,398.21

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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.