Finding the Fourth Proportional to 165,211.10, 247,816.65 and 156,681.80
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Solution
The fourth proportional to 165,211.10, 247,816.65 and 156,681.80 is: 235,022.70
Step by Step Solution
- Step 1: Write the proportion equation
165,211.10 : 247,816.65 = 156,681.80 : x - Step 2: Convert to fraction form
165,211.10/247,816.65 = 156,681.80/x - Step 3: Cross multiply
165,211.10x = 247,816.65 × 156,681.80 - Step 4: Simplify right side
165,211.10x = 38,828,358,791.97 - Step 5: Solve for x
x = 38,828,358,791.97/165,211.10 - Step 6: Final answer
x = 235,022.70
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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.