Finding the Fourth Proportional to 436,718.70, 602,670.51 and 245,732.09
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Solution
The fourth proportional to 436,718.70, 602,670.51 and 245,732.09 is: 339,109.55
Step by Step Solution
- Step 1: Write the proportion equation
436,718.70 : 602,670.51 = 245,732.09 : x - Step 2: Convert to fraction form
436,718.70/602,670.51 = 245,732.09/x - Step 3: Cross multiply
436,718.70x = 602,670.51 × 245,732.09 - Step 4: Simplify right side
436,718.70x = 148,095,480,990.31 - Step 5: Solve for x
x = 148,095,480,990.31/436,718.70 - Step 6: Final answer
x = 339,109.55
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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.