Finding the Fourth Proportional to 408,437.66, 563,252.81 and 270,398.07
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Solution
The fourth proportional to 408,437.66, 563,252.81 and 270,398.07 is: 372,890.37
Step by Step Solution
- Step 1: Write the proportion equation
408,437.66 : 563,252.81 = 270,398.07 : x - Step 2: Convert to fraction form
408,437.66/563,252.81 = 270,398.07/x - Step 3: Cross multiply
408,437.66x = 563,252.81 × 270,398.07 - Step 4: Simplify right side
408,437.66x = 152,302,471,394.09 - Step 5: Solve for x
x = 152,302,471,394.09/408,437.66 - Step 6: Final answer
x = 372,890.37
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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.