Finding the Fourth Proportional to 468,347.18, 646,334.78 and 287,024.09
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Solution
The fourth proportional to 468,347.18, 646,334.78 and 287,024.09 is: 396,102.84
Step by Step Solution
- Step 1: Write the proportion equation
468,347.18 : 646,334.78 = 287,024.09 : x - Step 2: Convert to fraction form
468,347.18/646,334.78 = 287,024.09/x - Step 3: Cross multiply
468,347.18x = 646,334.78 × 287,024.09 - Step 4: Simplify right side
468,347.18x = 185,513,647,398.06 - Step 5: Solve for x
x = 185,513,647,398.06/468,347.18 - Step 6: Final answer
x = 396,102.84
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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.