Finding the Fourth Proportional to 434,400.99, 651,630.65 and 118,860.63
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Solution
The fourth proportional to 434,400.99, 651,630.65 and 118,860.63 is: 178,298.93
Step by Step Solution
- Step 1: Write the proportion equation
434,400.99 : 651,630.65 = 118,860.63 : x - Step 2: Convert to fraction form
434,400.99/651,630.65 = 118,860.63/x - Step 3: Cross multiply
434,400.99x = 651,630.65 × 118,860.63 - Step 4: Simplify right side
434,400.99x = 77,453,229,586.31 - Step 5: Solve for x
x = 77,453,229,586.31/434,400.99 - Step 6: Final answer
x = 178,298.93
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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.