Finding the Fourth Proportional to 439,241.52, 606,160.02 and 257,957.28
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Solution
The fourth proportional to 439,241.52, 606,160.02 and 257,957.28 is: 355,984.99
Step by Step Solution
- Step 1: Write the proportion equation
439,241.52 : 606,160.02 = 257,957.28 : x - Step 2: Convert to fraction form
439,241.52/606,160.02 = 257,957.28/x - Step 3: Cross multiply
439,241.52x = 606,160.02 × 257,957.28 - Step 4: Simplify right side
439,241.52x = 156,363,390,003.95 - Step 5: Solve for x
x = 156,363,390,003.95/439,241.52 - Step 6: Final answer
x = 355,984.99
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1.5x scale
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.