Finding the Fourth Proportional to 520,862.04, 781,349.07 and 165,792.99
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Solution
The fourth proportional to 520,862.04, 781,349.07 and 165,792.99 is: 248,707.31
Step by Step Solution
- Step 1: Write the proportion equation
520,862.04 : 781,349.07 = 165,792.99 : x - Step 2: Convert to fraction form
520,862.04/781,349.07 = 165,792.99/x - Step 3: Cross multiply
520,862.04x = 781,349.07 × 165,792.99 - Step 4: Simplify right side
520,862.04x = 129,542,198,549.02 - Step 5: Solve for x
x = 129,542,198,549.02/520,862.04 - Step 6: Final answer
x = 248,707.31
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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.