Finding the Fourth Proportional to 280,157.18, 418,050.68 and 249,963.84
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Solution
The fourth proportional to 280,157.18, 418,050.68 and 249,963.84 is: 372,996.17
Step by Step Solution
- Step 1: Write the proportion equation
280,157.18 : 418,050.68 = 249,963.84 : x - Step 2: Convert to fraction form
280,157.18/418,050.68 = 249,963.84/x - Step 3: Cross multiply
280,157.18x = 418,050.68 × 249,963.84 - Step 4: Simplify right side
280,157.18x = 104,497,552,037.59 - Step 5: Solve for x
x = 104,497,552,037.59/280,157.18 - Step 6: Final answer
x = 372,996.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.