Finding the Fourth Proportional to 430,391, 645,690.18 and 134,903
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Solution
The fourth proportional to 430,391, 645,690.18 and 134,903 is: 202,387.00
Step by Step Solution
- Step 1: Write the proportion equation
430,391 : 645,690.18 = 134,903 : x - Step 2: Convert to fraction form
430,391/645,690.18 = 134,903/x - Step 3: Cross multiply
430,391x = 645,690.18 × 134,903 - Step 4: Simplify right side
430,391x = 87,105,542,352.54 - Step 5: Solve for x
x = 87,105,542,352.54/430,391 - Step 6: Final answer
x = 202,387.00
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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.