Finding the Fourth Proportional to 353,023.57, 487,175.76 and 191,878.99
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Solution
The fourth proportional to 353,023.57, 487,175.76 and 191,878.99 is: 264,794.76
Step by Step Solution
- Step 1: Write the proportion equation
353,023.57 : 487,175.76 = 191,878.99 : x - Step 2: Convert to fraction form
353,023.57/487,175.76 = 191,878.99/x - Step 3: Cross multiply
353,023.57x = 487,175.76 × 191,878.99 - Step 4: Simplify right side
353,023.57x = 93,478,792,781.28 - Step 5: Solve for x
x = 93,478,792,781.28/353,023.57 - Step 6: Final answer
x = 264,794.76
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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.