Finding the Fourth Proportional to 470,966.14, 706,473.60 and 155,447.62
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Solution
The fourth proportional to 470,966.14, 706,473.60 and 155,447.62 is: 233,179.48
Step by Step Solution
- Step 1: Write the proportion equation
470,966.14 : 706,473.60 = 155,447.62 : x - Step 2: Convert to fraction form
470,966.14/706,473.60 = 155,447.62/x - Step 3: Cross multiply
470,966.14x = 706,473.60 × 155,447.62 - Step 4: Simplify right side
470,966.14x = 109,819,639,712.83 - Step 5: Solve for x
x = 109,819,639,712.83/470,966.14 - Step 6: Final answer
x = 233,179.48
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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.