Home / 375,774.65-518,547.04-222,827.55

Finding the Fourth Proportional to 375,774.65, 518,547.04 and 222,827.55

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Solution

The fourth proportional to 375,774.65, 518,547.04 and 222,827.55 is: 307,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,774.65 : 518,547.04 = 222,827.55 : x
  2. Step 2: Convert to fraction form
    375,774.65/518,547.04 = 222,827.55/x
  3. Step 3: Cross multiply
    375,774.65x = 518,547.04 × 222,827.55
  4. Step 4: Simplify right side
    375,774.65x = 115,546,566,482.95
  5. Step 5: Solve for x
    x = 115,546,566,482.95/375,774.65
  6. Step 6: Final answer
    x = 307,488.99

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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.