Home / 325,853.20-488,779.80-236,688.40

Finding the Fourth Proportional to 325,853.20, 488,779.80 and 236,688.40

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Solution

The fourth proportional to 325,853.20, 488,779.80 and 236,688.40 is: 355,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,853.20 : 488,779.80 = 236,688.40 : x
  2. Step 2: Convert to fraction form
    325,853.20/488,779.80 = 236,688.40/x
  3. Step 3: Cross multiply
    325,853.20x = 488,779.80 × 236,688.40
  4. Step 4: Simplify right side
    325,853.20x = 115,688,508,814.32
  5. Step 5: Solve for x
    x = 115,688,508,814.32/325,853.20
  6. Step 6: Final answer
    x = 355,032.60

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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.