Finding the Fourth Proportional to 537,681.60, 741,957.12 and 311,341.44
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Solution
The fourth proportional to 537,681.60, 741,957.12 and 311,341.44 is: 429,626.01
Step by Step Solution
- Step 1: Write the proportion equation
537,681.60 : 741,957.12 = 311,341.44 : x - Step 2: Convert to fraction form
537,681.60/741,957.12 = 311,341.44/x - Step 3: Cross multiply
537,681.60x = 741,957.12 × 311,341.44 - Step 4: Simplify right side
537,681.60x = 231,001,998,159.05 - Step 5: Solve for x
x = 231,001,998,159.05/537,681.60 - Step 6: Final answer
x = 429,626.01
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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.