Finding the Fourth Proportional to 286,562.90, 429,817.99 and 97,001.60
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Solution
The fourth proportional to 286,562.90, 429,817.99 and 97,001.60 is: 145,493.48
Step by Step Solution
- Step 1: Write the proportion equation
286,562.90 : 429,817.99 = 97,001.60 : x - Step 2: Convert to fraction form
286,562.90/429,817.99 = 97,001.60/x - Step 3: Cross multiply
286,562.90x = 429,817.99 × 97,001.60 - Step 4: Simplify right side
286,562.90x = 41,693,032,738.78 - Step 5: Solve for x
x = 41,693,032,738.78/286,562.90 - Step 6: Final answer
x = 145,493.48
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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.