Home / 346,532.85-478,036.22-219,282.26

Finding the Fourth Proportional to 346,532.85, 478,036.22 and 219,282.26

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Solution

The fourth proportional to 346,532.85, 478,036.22 and 219,282.26 is: 302,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,532.85 : 478,036.22 = 219,282.26 : x
  2. Step 2: Convert to fraction form
    346,532.85/478,036.22 = 219,282.26/x
  3. Step 3: Cross multiply
    346,532.85x = 478,036.22 × 219,282.26
  4. Step 4: Simplify right side
    346,532.85x = 104,824,859,196.87
  5. Step 5: Solve for x
    x = 104,824,859,196.87/346,532.85
  6. Step 6: Final answer
    x = 302,496.17

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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.