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Finding the Fourth Proportional to 346,695.72, 478,450.98 and 195,802.44

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Solution

The fourth proportional to 346,695.72, 478,450.98 and 195,802.44 is: 270,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,695.72 : 478,450.98 = 195,802.44 : x
  2. Step 2: Convert to fraction form
    346,695.72/478,450.98 = 195,802.44/x
  3. Step 3: Cross multiply
    346,695.72x = 478,450.98 × 195,802.44
  4. Step 4: Simplify right side
    346,695.72x = 93,681,869,304.39
  5. Step 5: Solve for x
    x = 93,681,869,304.39/346,695.72
  6. Step 6: Final answer
    x = 270,213.52

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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.