Finding the Fourth Proportional to 375,295.89, 563,239.70 and 138,706.23
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Solution
The fourth proportional to 375,295.89, 563,239.70 and 138,706.23 is: 208,168.70
Step by Step Solution
- Step 1: Write the proportion equation
375,295.89 : 563,239.70 = 138,706.23 : x - Step 2: Convert to fraction form
375,295.89/563,239.70 = 138,706.23/x - Step 3: Cross multiply
375,295.89x = 563,239.70 × 138,706.23 - Step 4: Simplify right side
375,295.89x = 78,124,857,312.10 - Step 5: Solve for x
x = 78,124,857,312.10/375,295.89 - Step 6: Final answer
x = 208,168.70
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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.