Finding the Fourth Proportional to 307,854.60, 461,738.70 and 97,513.80
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Solution
The fourth proportional to 307,854.60, 461,738.70 and 97,513.80 is: 146,257.02
Step by Step Solution
- Step 1: Write the proportion equation
307,854.60 : 461,738.70 = 97,513.80 : x - Step 2: Convert to fraction form
307,854.60/461,738.70 = 97,513.80/x - Step 3: Cross multiply
307,854.60x = 461,738.70 × 97,513.80 - Step 4: Simplify right side
307,854.60x = 45,025,895,244.06 - Step 5: Solve for x
x = 45,025,895,244.06/307,854.60 - Step 6: Final answer
x = 146,257.02
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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.