Home / 320,026.23-480,037.60-130,485.86

Finding the Fourth Proportional to 320,026.23, 480,037.60 and 130,485.86

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Solution

The fourth proportional to 320,026.23, 480,037.60 and 130,485.86 is: 195,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,026.23 : 480,037.60 = 130,485.86 : x
  2. Step 2: Convert to fraction form
    320,026.23/480,037.60 = 130,485.86/x
  3. Step 3: Cross multiply
    320,026.23x = 480,037.60 × 130,485.86
  4. Step 4: Simplify right side
    320,026.23x = 62,638,119,068.34
  5. Step 5: Solve for x
    x = 62,638,119,068.34/320,026.23
  6. Step 6: Final answer
    x = 195,728.08

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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.