Finding the Fourth Proportional to 529,293.19, 730,400.80 and 299,845.80
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Solution
The fourth proportional to 529,293.19, 730,400.80 and 299,845.80 is: 413,773.71
Step by Step Solution
- Step 1: Write the proportion equation
529,293.19 : 730,400.80 = 299,845.80 : x - Step 2: Convert to fraction form
529,293.19/730,400.80 = 299,845.80/x - Step 3: Cross multiply
529,293.19x = 730,400.80 × 299,845.80 - Step 4: Simplify right side
529,293.19x = 219,007,609,909.02 - Step 5: Solve for x
x = 219,007,609,909.02/529,293.19 - Step 6: Final answer
x = 413,773.71
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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.