Finding the Fourth Proportional to 156,929.65, 235,394.48 and 51,734.95
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Solution
The fourth proportional to 156,929.65, 235,394.48 and 51,734.95 is: 77,602.43
Step by Step Solution
- Step 1: Write the proportion equation
156,929.65 : 235,394.48 = 51,734.95 : x - Step 2: Convert to fraction form
156,929.65/235,394.48 = 51,734.95/x - Step 3: Cross multiply
156,929.65x = 235,394.48 × 51,734.95 - Step 4: Simplify right side
156,929.65x = 12,178,121,653.08 - Step 5: Solve for x
x = 12,178,121,653.08/156,929.65 - Step 6: Final answer
x = 77,602.43
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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.