Finding the Fourth Proportional to 750,678.30, 1,125,908.10 and 218,143.80
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Solution
The fourth proportional to 750,678.30, 1,125,908.10 and 218,143.80 is: 327,183.92
Step by Step Solution
- Step 1: Write the proportion equation
750,678.30 : 1,125,908.10 = 218,143.80 : x - Step 2: Convert to fraction form
750,678.30/1,125,908.10 = 218,143.80/x - Step 3: Cross multiply
750,678.30x = 1,125,908.10 × 218,143.80 - Step 4: Simplify right side
750,678.30x = 245,609,871,384.78 - Step 5: Solve for x
x = 245,609,871,384.78/750,678.30 - Step 6: Final answer
x = 327,183.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.