Finding the Fourth Proportional to 310,290.60, 465,462.60 and 85,651.08
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Solution
The fourth proportional to 310,290.60, 465,462.60 and 85,651.08 is: 128,483.99
Step by Step Solution
- Step 1: Write the proportion equation
310,290.60 : 465,462.60 = 85,651.08 : x - Step 2: Convert to fraction form
310,290.60/465,462.60 = 85,651.08/x - Step 3: Cross multiply
310,290.60x = 465,462.60 × 85,651.08 - Step 4: Simplify right side
310,290.60x = 39,867,374,389.61 - Step 5: Solve for x
x = 39,867,374,389.61/310,290.60 - Step 6: Final answer
x = 128,483.99
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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.