Finding the Fourth Proportional to 117,633.03, 176,430.99 and 97,770.07
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Solution
The fourth proportional to 117,633.03, 176,430.99 and 97,770.07 is: 146,639.69
Step by Step Solution
- Step 1: Write the proportion equation
117,633.03 : 176,430.99 = 97,770.07 : x - Step 2: Convert to fraction form
117,633.03/176,430.99 = 97,770.07/x - Step 3: Cross multiply
117,633.03x = 176,430.99 × 97,770.07 - Step 4: Simplify right side
117,633.03x = 17,249,670,829.65 - Step 5: Solve for x
x = 17,249,670,829.65/117,633.03 - Step 6: Final answer
x = 146,639.69
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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.