Finding the Fourth Proportional to 97,259.70, 134,257.04 and 83,593.65
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Solution
The fourth proportional to 97,259.70, 134,257.04 and 83,593.65 is: 115,392.45
Step by Step Solution
- Step 1: Write the proportion equation
97,259.70 : 134,257.04 = 83,593.65 : x - Step 2: Convert to fraction form
97,259.70/134,257.04 = 83,593.65/x - Step 3: Cross multiply
97,259.70x = 134,257.04 × 83,593.65 - Step 4: Simplify right side
97,259.70x = 11,223,034,922.54 - Step 5: Solve for x
x = 11,223,034,922.54/97,259.70 - Step 6: Final answer
x = 115,392.45
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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.