Finding the Fourth Proportional to 399,177.60, 598,924.80 and 162,537.60
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Solution
The fourth proportional to 399,177.60, 598,924.80 and 162,537.60 is: 243,870.90
Step by Step Solution
- Step 1: Write the proportion equation
399,177.60 : 598,924.80 = 162,537.60 : x - Step 2: Convert to fraction form
399,177.60/598,924.80 = 162,537.60/x - Step 3: Cross multiply
399,177.60x = 598,924.80 × 162,537.60 - Step 4: Simplify right side
399,177.60x = 97,347,799,572.48 - Step 5: Solve for x
x = 97,347,799,572.48/399,177.60 - Step 6: Final answer
x = 243,870.90
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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.