Home / 366,380.15-549,581.04-312,733.89

Finding the Fourth Proportional to 366,380.15, 549,581.04 and 312,733.89

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Solution

The fourth proportional to 366,380.15, 549,581.04 and 312,733.89 is: 469,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,380.15 : 549,581.04 = 312,733.89 : x
  2. Step 2: Convert to fraction form
    366,380.15/549,581.04 = 312,733.89/x
  3. Step 3: Cross multiply
    366,380.15x = 549,581.04 × 312,733.89
  4. Step 4: Simplify right side
    366,380.15x = 171,872,616,509.45
  5. Step 5: Solve for x
    x = 171,872,616,509.45/366,380.15
  6. Step 6: Final answer
    x = 469,110.07

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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.