Finding the Fourth Proportional to 156,855.08, 235,292.86 and 114,860.84
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Solution
The fourth proportional to 156,855.08, 235,292.86 and 114,860.84 is: 172,298.76
Step by Step Solution
- Step 1: Write the proportion equation
156,855.08 : 235,292.86 = 114,860.84 : x - Step 2: Convert to fraction form
156,855.08/235,292.86 = 114,860.84/x - Step 3: Cross multiply
156,855.08x = 235,292.86 × 114,860.84 - Step 4: Simplify right side
156,855.08x = 27,025,935,545.60 - Step 5: Solve for x
x = 27,025,935,545.60/156,855.08 - Step 6: Final answer
x = 172,298.76
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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.