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Finding the Fourth Proportional to 371,210.89, 512,271.36 and 201,445.02

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Solution

The fourth proportional to 371,210.89, 512,271.36 and 201,445.02 is: 277,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,210.89 : 512,271.36 = 201,445.02 : x
  2. Step 2: Convert to fraction form
    371,210.89/512,271.36 = 201,445.02/x
  3. Step 3: Cross multiply
    371,210.89x = 512,271.36 × 201,445.02
  4. Step 4: Simplify right side
    371,210.89x = 103,194,514,360.63
  5. Step 5: Solve for x
    x = 103,194,514,360.63/371,210.89
  6. Step 6: Final answer
    x = 277,994.31

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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.