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Finding the Fourth Proportional to 593,341.60, 889,990.80 and 238,259.20

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Solution

The fourth proportional to 593,341.60, 889,990.80 and 238,259.20 is: 357,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,341.60 : 889,990.80 = 238,259.20 : x
  2. Step 2: Convert to fraction form
    593,341.60/889,990.80 = 238,259.20/x
  3. Step 3: Cross multiply
    593,341.60x = 889,990.80 × 238,259.20
  4. Step 4: Simplify right side
    593,341.60x = 212,048,496,015.36
  5. Step 5: Solve for x
    x = 212,048,496,015.36/593,341.60
  6. Step 6: Final answer
    x = 357,380.13

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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.