Finding the Fourth Proportional to 242,913.51, 334,966.26 and 209,036.88
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Solution
The fourth proportional to 242,913.51, 334,966.26 and 209,036.88 is: 288,251.99
Step by Step Solution
- Step 1: Write the proportion equation
242,913.51 : 334,966.26 = 209,036.88 : x - Step 2: Convert to fraction form
242,913.51/334,966.26 = 209,036.88/x - Step 3: Cross multiply
242,913.51x = 334,966.26 × 209,036.88 - Step 4: Simplify right side
242,913.51x = 70,020,301,895.67 - Step 5: Solve for x
x = 70,020,301,895.67/242,913.51 - Step 6: Final answer
x = 288,251.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.