Finding the Fourth Proportional to 578,113.48, 867,264.18 and 178,661.08
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Solution
The fourth proportional to 578,113.48, 867,264.18 and 178,661.08 is: 268,020.66
Step by Step Solution
- Step 1: Write the proportion equation
578,113.48 : 867,264.18 = 178,661.08 : x - Step 2: Convert to fraction form
578,113.48/867,264.18 = 178,661.08/x - Step 3: Cross multiply
578,113.48x = 867,264.18 × 178,661.08 - Step 4: Simplify right side
578,113.48x = 154,946,355,044.11 - Step 5: Solve for x
x = 154,946,355,044.11/578,113.48 - Step 6: Final answer
x = 268,020.66
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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.