Finding the Fourth Proportional to 361,866.24, 498,916.48 and 258,623.84
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Solution
The fourth proportional to 361,866.24, 498,916.48 and 258,623.84 is: 356,572.90
Step by Step Solution
- Step 1: Write the proportion equation
361,866.24 : 498,916.48 = 258,623.84 : x - Step 2: Convert to fraction form
361,866.24/498,916.48 = 258,623.84/x - Step 3: Cross multiply
361,866.24x = 498,916.48 × 258,623.84 - Step 4: Simplify right side
361,866.24x = 129,031,695,896.88 - Step 5: Solve for x
x = 129,031,695,896.88/361,866.24 - Step 6: Final answer
x = 356,572.90
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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.