Home / 271,985.18-375,317.51-157,271.24

Finding the Fourth Proportional to 271,985.18, 375,317.51 and 157,271.24

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Solution

The fourth proportional to 271,985.18, 375,317.51 and 157,271.24 is: 217,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,985.18 : 375,317.51 = 157,271.24 : x
  2. Step 2: Convert to fraction form
    271,985.18/375,317.51 = 157,271.24/x
  3. Step 3: Cross multiply
    271,985.18x = 375,317.51 × 157,271.24
  4. Step 4: Simplify right side
    271,985.18x = 59,026,650,343.35
  5. Step 5: Solve for x
    x = 59,026,650,343.35/271,985.18
  6. Step 6: Final answer
    x = 217,021.57

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1.5x scale

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.