Finding the Fourth Proportional to 420,226.62, 579,911.94 and 229,239.96
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Solution
The fourth proportional to 420,226.62, 579,911.94 and 229,239.96 is: 316,350.71
Step by Step Solution
- Step 1: Write the proportion equation
420,226.62 : 579,911.94 = 229,239.96 : x - Step 2: Convert to fraction form
420,226.62/579,911.94 = 229,239.96/x - Step 3: Cross multiply
420,226.62x = 579,911.94 × 229,239.96 - Step 4: Simplify right side
420,226.62x = 132,938,989,929.12 - Step 5: Solve for x
x = 132,938,989,929.12/420,226.62 - Step 6: Final answer
x = 316,350.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.