Finding the Fourth Proportional to 553,941.68, 831,052.70 and 154,582.40
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Solution
The fourth proportional to 553,941.68, 831,052.70 and 154,582.40 is: 231,912.72
Step by Step Solution
- Step 1: Write the proportion equation
553,941.68 : 831,052.70 = 154,582.40 : x - Step 2: Convert to fraction form
553,941.68/831,052.70 = 154,582.40/x - Step 3: Cross multiply
553,941.68x = 831,052.70 × 154,582.40 - Step 4: Simplify right side
553,941.68x = 128,466,120,892.48 - Step 5: Solve for x
x = 128,466,120,892.48/553,941.68 - Step 6: Final answer
x = 231,912.72
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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.