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Finding the Fourth Proportional to 369,145.60, 553,718.40 and 119,827.60

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Solution

The fourth proportional to 369,145.60, 553,718.40 and 119,827.60 is: 179,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,145.60 : 553,718.40 = 119,827.60 : x
  2. Step 2: Convert to fraction form
    369,145.60/553,718.40 = 119,827.60/x
  3. Step 3: Cross multiply
    369,145.60x = 553,718.40 × 119,827.60
  4. Step 4: Simplify right side
    369,145.60x = 66,350,746,947.84
  5. Step 5: Solve for x
    x = 66,350,746,947.84/369,145.60
  6. Step 6: Final answer
    x = 179,741.40

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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.