Finding the Fourth Proportional to 660,121.08, 990,264.99 and 186,806.59
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Solution
The fourth proportional to 660,121.08, 990,264.99 and 186,806.59 is: 280,233.48
Step by Step Solution
- Step 1: Write the proportion equation
660,121.08 : 990,264.99 = 186,806.59 : x - Step 2: Convert to fraction form
660,121.08/990,264.99 = 186,806.59/x - Step 3: Cross multiply
660,121.08x = 990,264.99 × 186,806.59 - Step 4: Simplify right side
660,121.08x = 184,988,024,203.15 - Step 5: Solve for x
x = 184,988,024,203.15/660,121.08 - Step 6: Final answer
x = 280,233.48
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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.