Finding the Fourth Proportional to 359,728.47, 539,646.01 and 119,763.99
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Solution
The fourth proportional to 359,728.47, 539,646.01 and 119,763.99 is: 179,663.73
Step by Step Solution
- Step 1: Write the proportion equation
359,728.47 : 539,646.01 = 119,763.99 : x - Step 2: Convert to fraction form
359,728.47/539,646.01 = 119,763.99/x - Step 3: Cross multiply
359,728.47x = 539,646.01 × 119,763.99 - Step 4: Simplify right side
359,728.47x = 64,630,159,045.77 - Step 5: Solve for x
x = 64,630,159,045.77/359,728.47 - Step 6: Final answer
x = 179,663.73
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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.