Home / 290,984.64-436,583.57-122,547.36

Finding the Fourth Proportional to 290,984.64, 436,583.57 and 122,547.36

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Solution

The fourth proportional to 290,984.64, 436,583.57 and 122,547.36 is: 183,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,984.64 : 436,583.57 = 122,547.36 : x
  2. Step 2: Convert to fraction form
    290,984.64/436,583.57 = 122,547.36/x
  3. Step 3: Cross multiply
    290,984.64x = 436,583.57 × 122,547.36
  4. Step 4: Simplify right side
    290,984.64x = 53,502,163,310.14
  5. Step 5: Solve for x
    x = 53,502,163,310.14/290,984.64
  6. Step 6: Final answer
    x = 183,865.94

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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.