Finding the Fourth Proportional to 403,382.90, 604,262.99 and 186,938.47
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Solution
The fourth proportional to 403,382.90, 604,262.99 and 186,938.47 is: 280,031.70
Step by Step Solution
- Step 1: Write the proportion equation
403,382.90 : 604,262.99 = 186,938.47 : x - Step 2: Convert to fraction form
403,382.90/604,262.99 = 186,938.47/x - Step 3: Cross multiply
403,382.90x = 604,262.99 × 186,938.47 - Step 4: Simplify right side
403,382.90x = 112,959,998,828.23 - Step 5: Solve for x
x = 112,959,998,828.23/403,382.90 - Step 6: Final answer
x = 280,031.70
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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.