Home / 353,828.98-488,631.02-302,545.64

Finding the Fourth Proportional to 353,828.98, 488,631.02 and 302,545.64

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Solution

The fourth proportional to 353,828.98, 488,631.02 and 302,545.64 is: 417,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,828.98 : 488,631.02 = 302,545.64 : x
  2. Step 2: Convert to fraction form
    353,828.98/488,631.02 = 302,545.64/x
  3. Step 3: Cross multiply
    353,828.98x = 488,631.02 × 302,545.64
  4. Step 4: Simplify right side
    353,828.98x = 147,833,184,669.75
  5. Step 5: Solve for x
    x = 147,833,184,669.75/353,828.98
  6. Step 6: Final answer
    x = 417,809.71

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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.