Finding the Fourth Proportional to 470,959.11, 706,463.10 and 155,440.62
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Solution
The fourth proportional to 470,959.11, 706,463.10 and 155,440.62 is: 233,168.99
Step by Step Solution
- Step 1: Write the proportion equation
470,959.11 : 706,463.10 = 155,440.62 : x - Step 2: Convert to fraction form
470,959.11/706,463.10 = 155,440.62/x - Step 3: Cross multiply
470,959.11x = 706,463.10 × 155,440.62 - Step 4: Simplify right side
470,959.11x = 109,813,062,271.12 - Step 5: Solve for x
x = 109,813,062,271.12/470,959.11 - Step 6: Final answer
x = 233,168.99
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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.