Home / 572,376.48-858,370.32-198,312.16

Finding the Fourth Proportional to 572,376.48, 858,370.32 and 198,312.16

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Solution

The fourth proportional to 572,376.48, 858,370.32 and 198,312.16 is: 297,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,376.48 : 858,370.32 = 198,312.16 : x
  2. Step 2: Convert to fraction form
    572,376.48/858,370.32 = 198,312.16/x
  3. Step 3: Cross multiply
    572,376.48x = 858,370.32 × 198,312.16
  4. Step 4: Simplify right side
    572,376.48x = 170,225,272,239.09
  5. Step 5: Solve for x
    x = 170,225,272,239.09/572,376.48
  6. Step 6: Final answer
    x = 297,400.89

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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.