Home / 320,559.04-480,698.29-152,127.64

Finding the Fourth Proportional to 320,559.04, 480,698.29 and 152,127.64

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Solution

The fourth proportional to 320,559.04, 480,698.29 and 152,127.64 is: 228,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,559.04 : 480,698.29 = 152,127.64 : x
  2. Step 2: Convert to fraction form
    320,559.04/480,698.29 = 152,127.64/x
  3. Step 3: Cross multiply
    320,559.04x = 480,698.29 × 152,127.64
  4. Step 4: Simplify right side
    320,559.04x = 73,127,496,409.74
  5. Step 5: Solve for x
    x = 73,127,496,409.74/320,559.04
  6. Step 6: Final answer
    x = 228,124.89

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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.