Home / 470,698.18-649,567.48-255,838.22

Finding the Fourth Proportional to 470,698.18, 649,567.48 and 255,838.22

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Solution

The fourth proportional to 470,698.18, 649,567.48 and 255,838.22 is: 353,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,698.18 : 649,567.48 = 255,838.22 : x
  2. Step 2: Convert to fraction form
    470,698.18/649,567.48 = 255,838.22/x
  3. Step 3: Cross multiply
    470,698.18x = 649,567.48 × 255,838.22
  4. Step 4: Simplify right side
    470,698.18x = 166,184,187,853.09
  5. Step 5: Solve for x
    x = 166,184,187,853.09/470,698.18
  6. Step 6: Final answer
    x = 353,058.91

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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.