Finding the Fourth Proportional to 103,588.70, 155,507.52 and 70,207.49
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Solution
The fourth proportional to 103,588.70, 155,507.52 and 70,207.49 is: 105,395.59
Step by Step Solution
- Step 1: Write the proportion equation
103,588.70 : 155,507.52 = 70,207.49 : x - Step 2: Convert to fraction form
103,588.70/155,507.52 = 70,207.49/x - Step 3: Cross multiply
103,588.70x = 155,507.52 × 70,207.49 - Step 4: Simplify right side
103,588.70x = 10,917,792,655.32 - Step 5: Solve for x
x = 10,917,792,655.32/103,588.70 - Step 6: Final answer
x = 105,395.59
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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.