Finding the Fourth Proportional to 476,284.13, 657,280.58 and 261,444.18
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Solution
The fourth proportional to 476,284.13, 657,280.58 and 261,444.18 is: 360,797.62
Step by Step Solution
- Step 1: Write the proportion equation
476,284.13 : 657,280.58 = 261,444.18 : x - Step 2: Convert to fraction form
476,284.13/657,280.58 = 261,444.18/x - Step 3: Cross multiply
476,284.13x = 657,280.58 × 261,444.18 - Step 4: Simplify right side
476,284.13x = 171,842,180,960.80 - Step 5: Solve for x
x = 171,842,180,960.80/476,284.13 - Step 6: Final answer
x = 360,797.62
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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.