Finding the Fourth Proportional to 340,478.73, 510,027.82 and 157,852.99
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Solution
The fourth proportional to 340,478.73, 510,027.82 and 157,852.99 is: 236,459.46
Step by Step Solution
- Step 1: Write the proportion equation
340,478.73 : 510,027.82 = 157,852.99 : x - Step 2: Convert to fraction form
340,478.73/510,027.82 = 157,852.99/x - Step 3: Cross multiply
340,478.73x = 510,027.82 × 157,852.99 - Step 4: Simplify right side
340,478.73x = 80,509,416,370.18 - Step 5: Solve for x
x = 80,509,416,370.18/340,478.73 - Step 6: Final answer
x = 236,459.46
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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.