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Finding the Fourth Proportional to 369,429.60, 554,014.80 and 191,877.60

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Solution

The fourth proportional to 369,429.60, 554,014.80 and 191,877.60 is: 287,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,429.60 : 554,014.80 = 191,877.60 : x
  2. Step 2: Convert to fraction form
    369,429.60/554,014.80 = 191,877.60/x
  3. Step 3: Cross multiply
    369,429.60x = 554,014.80 × 191,877.60
  4. Step 4: Simplify right side
    369,429.60x = 106,303,030,188.48
  5. Step 5: Solve for x
    x = 106,303,030,188.48/369,429.60
  6. Step 6: Final answer
    x = 287,749.09

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1.5x scale

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.