Finding the Fourth Proportional to 156,251.23, 234,064.64 and 71,895.74
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Solution
The fourth proportional to 156,251.23, 234,064.64 and 71,895.74 is: 107,699.95
Step by Step Solution
- Step 1: Write the proportion equation
156,251.23 : 234,064.64 = 71,895.74 : x - Step 2: Convert to fraction form
156,251.23/234,064.64 = 71,895.74/x - Step 3: Cross multiply
156,251.23x = 234,064.64 × 71,895.74 - Step 4: Simplify right side
156,251.23x = 16,828,249,510.05 - Step 5: Solve for x
x = 16,828,249,510.05/156,251.23 - Step 6: Final answer
x = 107,699.95
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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.