Finding the Fourth Proportional to 292,457,989.67, 403,635,342.57 and 185,177,283.58
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Solution
The fourth proportional to 292,457,989.67, 403,635,342.57 and 185,177,283.58 is: 255,572,078.49
Step by Step Solution
- Step 1: Write the proportion equation
292,457,989.67 : 403,635,342.57 = 185,177,283.58 : x - Step 2: Convert to fraction form
292,457,989.67/403,635,342.57 = 185,177,283.58/x - Step 3: Cross multiply
292,457,989.67x = 403,635,342.57 × 185,177,283.58 - Step 4: Simplify right side
292,457,989.67x = 74,744,096,292,523,296 - Step 5: Solve for x
x = 74,744,096,292,523,296/292,457,989.67 - Step 6: Final answer
x = 255,572,078.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.