Finding the Fourth Proportional to 636,315.54, 955,164.92 and 257,497.08
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Solution
The fourth proportional to 636,315.54, 955,164.92 and 257,497.08 is: 386,525.49
Step by Step Solution
- Step 1: Write the proportion equation
636,315.54 : 955,164.92 = 257,497.08 : x - Step 2: Convert to fraction form
636,315.54/955,164.92 = 257,497.08/x - Step 3: Cross multiply
636,315.54x = 955,164.92 × 257,497.08 - Step 4: Simplify right side
636,315.54x = 245,952,176,530.95 - Step 5: Solve for x
x = 245,952,176,530.95/636,315.54 - Step 6: Final answer
x = 386,525.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.