Home / 470,514.36-649,312.72-255,655.02

Finding the Fourth Proportional to 470,514.36, 649,312.72 and 255,655.02

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Solution

The fourth proportional to 470,514.36, 649,312.72 and 255,655.02 is: 352,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,514.36 : 649,312.72 = 255,655.02 : x
  2. Step 2: Convert to fraction form
    470,514.36/649,312.72 = 255,655.02/x
  3. Step 3: Cross multiply
    470,514.36x = 649,312.72 × 255,655.02
  4. Step 4: Simplify right side
    470,514.36x = 166,000,056,417.85
  5. Step 5: Solve for x
    x = 166,000,056,417.85/470,514.36
  6. Step 6: Final answer
    x = 352,805.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.