Finding the Fourth Proportional to 247,073.99, 340,962.41 and 133,896.74
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Solution
The fourth proportional to 247,073.99, 340,962.41 and 133,896.74 is: 184,777.66
Step by Step Solution
- Step 1: Write the proportion equation
247,073.99 : 340,962.41 = 133,896.74 : x - Step 2: Convert to fraction form
247,073.99/340,962.41 = 133,896.74/x - Step 3: Cross multiply
247,073.99x = 340,962.41 × 133,896.74 - Step 4: Simplify right side
247,073.99x = 45,653,755,344.47 - Step 5: Solve for x
x = 45,653,755,344.47/247,073.99 - Step 6: Final answer
x = 184,777.66
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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.