Finding the Fourth Proportional to 908,117.80, 1,362,176.70 and 375,461.80
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Solution
The fourth proportional to 908,117.80, 1,362,176.70 and 375,461.80 is: 563,192.70
Step by Step Solution
- Step 1: Write the proportion equation
908,117.80 : 1,362,176.70 = 375,461.80 : x - Step 2: Convert to fraction form
908,117.80/1,362,176.70 = 375,461.80/x - Step 3: Cross multiply
908,117.80x = 1,362,176.70 × 375,461.80 - Step 4: Simplify right side
908,117.80x = 511,445,315,700.06 - Step 5: Solve for x
x = 511,445,315,700.06/908,117.80 - Step 6: Final answer
x = 563,192.70
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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.