Finding the Fourth Proportional to 430,734.27, 646,193.76 and 131,239.02
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Solution
The fourth proportional to 430,734.27, 646,193.76 and 131,239.02 is: 196,886.67
Step by Step Solution
- Step 1: Write the proportion equation
430,734.27 : 646,193.76 = 131,239.02 : x - Step 2: Convert to fraction form
430,734.27/646,193.76 = 131,239.02/x - Step 3: Cross multiply
430,734.27x = 646,193.76 × 131,239.02 - Step 4: Simplify right side
430,734.27x = 84,805,835,792.52 - Step 5: Solve for x
x = 84,805,835,792.52/430,734.27 - Step 6: Final answer
x = 196,886.67
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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.