Finding the Fourth Proportional to 372,569.90, 514,156.48 and 202,811.18
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Solution
The fourth proportional to 372,569.90, 514,156.48 and 202,811.18 is: 279,884.88
Step by Step Solution
- Step 1: Write the proportion equation
372,569.90 : 514,156.48 = 202,811.18 : x - Step 2: Convert to fraction form
372,569.90/514,156.48 = 202,811.18/x - Step 3: Cross multiply
372,569.90x = 514,156.48 × 202,811.18 - Step 4: Simplify right side
372,569.90x = 104,276,679,335.64 - Step 5: Solve for x
x = 104,276,679,335.64/372,569.90 - Step 6: Final answer
x = 279,884.88
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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.