Home / 385,248.80-577,934.76-118,946.72

Finding the Fourth Proportional to 385,248.80, 577,934.76 and 118,946.72

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Solution

The fourth proportional to 385,248.80, 577,934.76 and 118,946.72 is: 178,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,248.80 : 577,934.76 = 118,946.72 : x
  2. Step 2: Convert to fraction form
    385,248.80/577,934.76 = 118,946.72/x
  3. Step 3: Cross multiply
    385,248.80x = 577,934.76 × 118,946.72
  4. Step 4: Simplify right side
    385,248.80x = 68,743,444,075.99
  5. Step 5: Solve for x
    x = 68,743,444,075.99/385,248.80
  6. Step 6: Final answer
    x = 178,439.09

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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.