Finding the Fourth Proportional to 778,114.98, 1,167,074.06 and 209,541.47
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Solution
The fourth proportional to 778,114.98, 1,167,074.06 and 209,541.47 is: 314,285.69
Step by Step Solution
- Step 1: Write the proportion equation
778,114.98 : 1,167,074.06 = 209,541.47 : x - Step 2: Convert to fraction form
778,114.98/1,167,074.06 = 209,541.47/x - Step 3: Cross multiply
778,114.98x = 1,167,074.06 × 209,541.47 - Step 4: Simplify right side
778,114.98x = 244,550,407,248.19 - Step 5: Solve for x
x = 244,550,407,248.19/778,114.98 - Step 6: Final answer
x = 314,285.69
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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.