Home / 384,931.49-577,360.08-118,620.50

Finding the Fourth Proportional to 384,931.49, 577,360.08 and 118,620.50

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Solution

The fourth proportional to 384,931.49, 577,360.08 and 118,620.50 is: 177,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,931.49 : 577,360.08 = 118,620.50 : x
  2. Step 2: Convert to fraction form
    384,931.49/577,360.08 = 118,620.50/x
  3. Step 3: Cross multiply
    384,931.49x = 577,360.08 × 118,620.50
  4. Step 4: Simplify right side
    384,931.49x = 68,486,738,482.84
  5. Step 5: Solve for x
    x = 68,486,738,482.84/384,931.49
  6. Step 6: Final answer
    x = 177,919.30

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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.