Finding the Fourth Proportional to 403,751.40, 606,283.20 and 292,214.40
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Solution
The fourth proportional to 403,751.40, 606,283.20 and 292,214.40 is: 438,796.45
Step by Step Solution
- Step 1: Write the proportion equation
403,751.40 : 606,283.20 = 292,214.40 : x - Step 2: Convert to fraction form
403,751.40/606,283.20 = 292,214.40/x - Step 3: Cross multiply
403,751.40x = 606,283.20 × 292,214.40 - Step 4: Simplify right side
403,751.40x = 177,164,681,518.08 - Step 5: Solve for x
x = 177,164,681,518.08/403,751.40 - Step 6: Final answer
x = 438,796.45
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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.