Finding the Fourth Proportional to 141,289.34, 211,940.93 and 57,038.99
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Solution
The fourth proportional to 141,289.34, 211,940.93 and 57,038.99 is: 85,561.28
Step by Step Solution
- Step 1: Write the proportion equation
141,289.34 : 211,940.93 = 57,038.99 : x - Step 2: Convert to fraction form
141,289.34/211,940.93 = 57,038.99/x - Step 3: Cross multiply
141,289.34x = 211,940.93 × 57,038.99 - Step 4: Simplify right side
141,289.34x = 12,088,896,437.81 - Step 5: Solve for x
x = 12,088,896,437.81/141,289.34 - Step 6: Final answer
x = 85,561.28
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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.