Finding the Fourth Proportional to 455,979.48, 629,253.66 and 249,252.09
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Solution
The fourth proportional to 455,979.48, 629,253.66 and 249,252.09 is: 343,968.96
Step by Step Solution
- Step 1: Write the proportion equation
455,979.48 : 629,253.66 = 249,252.09 : x - Step 2: Convert to fraction form
455,979.48/629,253.66 = 249,252.09/x - Step 3: Cross multiply
455,979.48x = 629,253.66 × 249,252.09 - Step 4: Simplify right side
455,979.48x = 156,842,788,470.14 - Step 5: Solve for x
x = 156,842,788,470.14/455,979.48 - Step 6: Final answer
x = 343,968.96
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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.