Finding the Fourth Proportional to 372,490.07, 514,053.15 and 219,534.68
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Solution
The fourth proportional to 372,490.07, 514,053.15 and 219,534.68 is: 302,967.80
Step by Step Solution
- Step 1: Write the proportion equation
372,490.07 : 514,053.15 = 219,534.68 : x - Step 2: Convert to fraction form
372,490.07/514,053.15 = 219,534.68/x - Step 3: Cross multiply
372,490.07x = 514,053.15 × 219,534.68 - Step 4: Simplify right side
372,490.07x = 112,852,494,250.12 - Step 5: Solve for x
x = 112,852,494,250.12/372,490.07 - Step 6: Final answer
x = 302,967.80
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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.