Finding the Fourth Proportional to 479,060.99, 718,468.86 and 142,022.87
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Solution
The fourth proportional to 479,060.99, 718,468.86 and 142,022.87 is: 212,997.95
Step by Step Solution
- Step 1: Write the proportion equation
479,060.99 : 718,468.86 = 142,022.87 : x - Step 2: Convert to fraction form
479,060.99/718,468.86 = 142,022.87/x - Step 3: Cross multiply
479,060.99x = 718,468.86 × 142,022.87 - Step 4: Simplify right side
479,060.99x = 102,039,009,502.83 - Step 5: Solve for x
x = 102,039,009,502.83/479,060.99 - Step 6: Final answer
x = 212,997.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.