Finding the Fourth Proportional to 569,162.99, 785,456.18 and 311,055.92
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Solution
The fourth proportional to 569,162.99, 785,456.18 and 311,055.92 is: 429,263.32
Step by Step Solution
- Step 1: Write the proportion equation
569,162.99 : 785,456.18 = 311,055.92 : x - Step 2: Convert to fraction form
569,162.99/785,456.18 = 311,055.92/x - Step 3: Cross multiply
569,162.99x = 785,456.18 × 311,055.92 - Step 4: Simplify right side
569,162.99x = 244,320,791,539.94 - Step 5: Solve for x
x = 244,320,791,539.94/569,162.99 - Step 6: Final answer
x = 429,263.32
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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.