Finding the Fourth Proportional to 623,135.97, 859,988.34 and 368,569.17
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Solution
The fourth proportional to 623,135.97, 859,988.34 and 368,569.17 is: 508,661.36
Step by Step Solution
- Step 1: Write the proportion equation
623,135.97 : 859,988.34 = 368,569.17 : x - Step 2: Convert to fraction form
623,135.97/859,988.34 = 368,569.17/x - Step 3: Cross multiply
623,135.97x = 859,988.34 × 368,569.17 - Step 4: Simplify right side
623,135.97x = 316,965,188,683.48 - Step 5: Solve for x
x = 316,965,188,683.48/623,135.97 - Step 6: Final answer
x = 508,661.36
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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.