Finding the Fourth Proportional to 228,334.70, 342,502.05 and 103,675.70
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Solution
The fourth proportional to 228,334.70, 342,502.05 and 103,675.70 is: 155,513.55
Step by Step Solution
- Step 1: Write the proportion equation
228,334.70 : 342,502.05 = 103,675.70 : x - Step 2: Convert to fraction form
228,334.70/342,502.05 = 103,675.70/x - Step 3: Cross multiply
228,334.70x = 342,502.05 × 103,675.70 - Step 4: Simplify right side
228,334.70x = 35,509,139,785.19 - Step 5: Solve for x
x = 35,509,139,785.19/228,334.70 - Step 6: Final answer
x = 155,513.55
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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.