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Finding the Fourth Proportional to 570,030.20, 854,510.70 and 215,282.60

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Solution

The fourth proportional to 570,030.20, 854,510.70 and 215,282.60 is: 322,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,030.20 : 854,510.70 = 215,282.60 : x
  2. Step 2: Convert to fraction form
    570,030.20/854,510.70 = 215,282.60/x
  3. Step 3: Cross multiply
    570,030.20x = 854,510.70 × 215,282.60
  4. Step 4: Simplify right side
    570,030.20x = 183,961,285,223.82
  5. Step 5: Solve for x
    x = 183,961,285,223.82/570,030.20
  6. Step 6: Final answer
    x = 322,722.00

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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.