Finding the Fourth Proportional to 469,829.88, 648,369.99 and 254,971.80
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Solution
The fourth proportional to 469,829.88, 648,369.99 and 254,971.80 is: 351,863.66
Step by Step Solution
- Step 1: Write the proportion equation
469,829.88 : 648,369.99 = 254,971.80 : x - Step 2: Convert to fraction form
469,829.88/648,369.99 = 254,971.80/x - Step 3: Cross multiply
469,829.88x = 648,369.99 × 254,971.80 - Step 4: Simplify right side
469,829.88x = 165,316,063,416.28 - Step 5: Solve for x
x = 165,316,063,416.28/469,829.88 - Step 6: Final answer
x = 351,863.66
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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.