Finding the Fourth Proportional to 470,949.62, 706,448.86 and 155,431.12
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Solution
The fourth proportional to 470,949.62, 706,448.86 and 155,431.12 is: 233,154.74
Step by Step Solution
- Step 1: Write the proportion equation
470,949.62 : 706,448.86 = 155,431.12 : x - Step 2: Convert to fraction form
470,949.62/706,448.86 = 155,431.12/x - Step 3: Cross multiply
470,949.62x = 706,448.86 × 155,431.12 - Step 4: Simplify right side
470,949.62x = 109,804,137,532.52 - Step 5: Solve for x
x = 109,804,137,532.52/470,949.62 - Step 6: Final answer
x = 233,154.74
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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.