Finding the Fourth Proportional to 307,788.60, 461,639.70 and 97,447.80
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Solution
The fourth proportional to 307,788.60, 461,639.70 and 97,447.80 is: 146,158.02
Step by Step Solution
- Step 1: Write the proportion equation
307,788.60 : 461,639.70 = 97,447.80 : x - Step 2: Convert to fraction form
307,788.60/461,639.70 = 97,447.80/x - Step 3: Cross multiply
307,788.60x = 461,639.70 × 97,447.80 - Step 4: Simplify right side
307,788.60x = 44,985,773,157.66 - Step 5: Solve for x
x = 44,985,773,157.66/307,788.60 - Step 6: Final answer
x = 146,158.02
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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.