Home / 346,625.40-519,938.10-287,527.80

Finding the Fourth Proportional to 346,625.40, 519,938.10 and 287,527.80

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Solution

The fourth proportional to 346,625.40, 519,938.10 and 287,527.80 is: 431,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,625.40 : 519,938.10 = 287,527.80 : x
  2. Step 2: Convert to fraction form
    346,625.40/519,938.10 = 287,527.80/x
  3. Step 3: Cross multiply
    346,625.40x = 519,938.10 × 287,527.80
  4. Step 4: Simplify right side
    346,625.40x = 149,496,658,029.18
  5. Step 5: Solve for x
    x = 149,496,658,029.18/346,625.40
  6. Step 6: Final answer
    x = 431,291.70

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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.