Finding the Fourth Proportional to 492,313.79, 738,405.07 and 137,298.08
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Solution
The fourth proportional to 492,313.79, 738,405.07 and 137,298.08 is: 205,928.82
Step by Step Solution
- Step 1: Write the proportion equation
492,313.79 : 738,405.07 = 137,298.08 : x - Step 2: Convert to fraction form
492,313.79/738,405.07 = 137,298.08/x - Step 3: Cross multiply
492,313.79x = 738,405.07 × 137,298.08 - Step 4: Simplify right side
492,313.79x = 101,381,598,373.27 - Step 5: Solve for x
x = 101,381,598,373.27/492,313.79 - Step 6: Final answer
x = 205,928.82
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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.