Finding the Fourth Proportional to 187,543.66, 258,746.18 and 106,913.06
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Solution
The fourth proportional to 187,543.66, 258,746.18 and 106,913.06 is: 147,503.50
Step by Step Solution
- Step 1: Write the proportion equation
187,543.66 : 258,746.18 = 106,913.06 : x - Step 2: Convert to fraction form
187,543.66/258,746.18 = 106,913.06/x - Step 3: Cross multiply
187,543.66x = 258,746.18 × 106,913.06 - Step 4: Simplify right side
187,543.66x = 27,663,345,867.11 - Step 5: Solve for x
x = 27,663,345,867.11/187,543.66 - Step 6: Final answer
x = 147,503.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.