Finding the Fourth Proportional to 292,292.10, 438,438.15 and 232,805.70
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Solution
The fourth proportional to 292,292.10, 438,438.15 and 232,805.70 is: 349,208.55
Step by Step Solution
- Step 1: Write the proportion equation
292,292.10 : 438,438.15 = 232,805.70 : x - Step 2: Convert to fraction form
292,292.10/438,438.15 = 232,805.70/x - Step 3: Cross multiply
292,292.10x = 438,438.15 × 232,805.70 - Step 4: Simplify right side
292,292.10x = 102,070,900,417.46 - Step 5: Solve for x
x = 102,070,900,417.46/292,292.10 - Step 6: Final answer
x = 349,208.55
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1.5x scale
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.