Finding the Fourth Proportional to 292,283.70, 438,425.55 and 213,551.70
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Solution
The fourth proportional to 292,283.70, 438,425.55 and 213,551.70 is: 320,327.55
Step by Step Solution
- Step 1: Write the proportion equation
292,283.70 : 438,425.55 = 213,551.70 : x - Step 2: Convert to fraction form
292,283.70/438,425.55 = 213,551.70/x - Step 3: Cross multiply
292,283.70x = 438,425.55 × 213,551.70 - Step 4: Simplify right side
292,283.70x = 93,626,521,525.94 - Step 5: Solve for x
x = 93,626,521,525.94/292,283.70 - Step 6: Final answer
x = 320,327.55
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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.