Finding the Fourth Proportional to 470,966.19, 706,473.78 and 155,447.70
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Solution
The fourth proportional to 470,966.19, 706,473.78 and 155,447.70 is: 233,179.63
Step by Step Solution
- Step 1: Write the proportion equation
470,966.19 : 706,473.78 = 155,447.70 : x - Step 2: Convert to fraction form
470,966.19/706,473.78 = 155,447.70/x - Step 3: Cross multiply
470,966.19x = 706,473.78 × 155,447.70 - Step 4: Simplify right side
470,966.19x = 109,819,724,211.31 - Step 5: Solve for x
x = 109,819,724,211.31/470,966.19 - Step 6: Final answer
x = 233,179.63
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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.