Finding the Fourth Proportional to 507,813.92, 761,827.68 and 192,263.84
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Solution
The fourth proportional to 507,813.92, 761,827.68 and 192,263.84 is: 288,436.20
Step by Step Solution
- Step 1: Write the proportion equation
507,813.92 : 761,827.68 = 192,263.84 : x - Step 2: Convert to fraction form
507,813.92/761,827.68 = 192,263.84/x - Step 3: Cross multiply
507,813.92x = 761,827.68 × 192,263.84 - Step 4: Simplify right side
507,813.92x = 146,471,915,175.09 - Step 5: Solve for x
x = 146,471,915,175.09/507,813.92 - Step 6: Final answer
x = 288,436.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.