Finding the Fourth Proportional to 143,130.24, 214,368.39 and 68,302.95
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Solution
The fourth proportional to 143,130.24, 214,368.39 and 68,302.95 is: 102,298.39
Step by Step Solution
- Step 1: Write the proportion equation
143,130.24 : 214,368.39 = 68,302.95 : x - Step 2: Convert to fraction form
143,130.24/214,368.39 = 68,302.95/x - Step 3: Cross multiply
143,130.24x = 214,368.39 × 68,302.95 - Step 4: Simplify right side
143,130.24x = 14,641,993,423.75 - Step 5: Solve for x
x = 14,641,993,423.75/143,130.24 - Step 6: Final answer
x = 102,298.39
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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.