Finding the Fourth Proportional to 440,612.08, 608,043.18 and 249,661.88
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Solution
The fourth proportional to 440,612.08, 608,043.18 and 249,661.88 is: 344,532.55
Step by Step Solution
- Step 1: Write the proportion equation
440,612.08 : 608,043.18 = 249,661.88 : x - Step 2: Convert to fraction form
440,612.08/608,043.18 = 249,661.88/x - Step 3: Cross multiply
440,612.08x = 608,043.18 × 249,661.88 - Step 4: Simplify right side
440,612.08x = 151,805,203,439.98 - Step 5: Solve for x
x = 151,805,203,439.98/440,612.08 - Step 6: Final answer
x = 344,532.55
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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.