Home / 374,849.02-517,547.91-278,078.14

Finding the Fourth Proportional to 374,849.02, 517,547.91 and 278,078.14

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Solution

The fourth proportional to 374,849.02, 517,547.91 and 278,078.14 is: 383,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,849.02 : 517,547.91 = 278,078.14 : x
  2. Step 2: Convert to fraction form
    374,849.02/517,547.91 = 278,078.14/x
  3. Step 3: Cross multiply
    374,849.02x = 517,547.91 × 278,078.14
  4. Step 4: Simplify right side
    374,849.02x = 143,918,760,173.69
  5. Step 5: Solve for x
    x = 143,918,760,173.69/374,849.02
  6. Step 6: Final answer
    x = 383,937.94

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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.