Finding the Fourth Proportional to 389,898.51, 537,763.68 and 335,541.08
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Solution
The fourth proportional to 389,898.51, 537,763.68 and 335,541.08 is: 462,791.73
Step by Step Solution
- Step 1: Write the proportion equation
389,898.51 : 537,763.68 = 335,541.08 : x - Step 2: Convert to fraction form
389,898.51/537,763.68 = 335,541.08/x - Step 3: Cross multiply
389,898.51x = 537,763.68 × 335,541.08 - Step 4: Simplify right side
389,898.51x = 180,441,805,971.97 - Step 5: Solve for x
x = 180,441,805,971.97/389,898.51 - Step 6: Final answer
x = 462,791.73
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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.