Finding the Fourth Proportional to 145,302.21, 217,864.16 and 56,451.99
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Solution
The fourth proportional to 145,302.21, 217,864.16 and 56,451.99 is: 84,643.35
Step by Step Solution
- Step 1: Write the proportion equation
145,302.21 : 217,864.16 = 56,451.99 : x - Step 2: Convert to fraction form
145,302.21/217,864.16 = 56,451.99/x - Step 3: Cross multiply
145,302.21x = 217,864.16 × 56,451.99 - Step 4: Simplify right side
145,302.21x = 12,298,865,099.42 - Step 5: Solve for x
x = 12,298,865,099.42/145,302.21 - Step 6: Final answer
x = 84,643.35
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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.