Home / 405,152.48-559,095.35-223,860.51

Finding the Fourth Proportional to 405,152.48, 559,095.35 and 223,860.51

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Solution

The fourth proportional to 405,152.48, 559,095.35 and 223,860.51 is: 308,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,152.48 : 559,095.35 = 223,860.51 : x
  2. Step 2: Convert to fraction form
    405,152.48/559,095.35 = 223,860.51/x
  3. Step 3: Cross multiply
    405,152.48x = 559,095.35 × 223,860.51
  4. Step 4: Simplify right side
    405,152.48x = 125,159,369,070.33
  5. Step 5: Solve for x
    x = 125,159,369,070.33/405,152.48
  6. Step 6: Final answer
    x = 308,919.17

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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.