Finding the Fourth Proportional to 912,253.93, 1,368,574.08 and 272,607.46
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Solution
The fourth proportional to 912,253.93, 1,368,574.08 and 272,607.46 is: 408,968.92
Step by Step Solution
- Step 1: Write the proportion equation
912,253.93 : 1,368,574.08 = 272,607.46 : x - Step 2: Convert to fraction form
912,253.93/1,368,574.08 = 272,607.46/x - Step 3: Cross multiply
912,253.93x = 1,368,574.08 × 272,607.46 - Step 4: Simplify right side
912,253.93x = 373,083,499,326.92 - Step 5: Solve for x
x = 373,083,499,326.92/912,253.93 - Step 6: Final answer
x = 408,968.92
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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.