Finding the Fourth Proportional to 307,581.40, 461,372.10 and 97,283.80
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Solution
The fourth proportional to 307,581.40, 461,372.10 and 97,283.80 is: 145,925.70
Step by Step Solution
- Step 1: Write the proportion equation
307,581.40 : 461,372.10 = 97,283.80 : x - Step 2: Convert to fraction form
307,581.40/461,372.10 = 97,283.80/x - Step 3: Cross multiply
307,581.40x = 461,372.10 × 97,283.80 - Step 4: Simplify right side
307,581.40x = 44,884,031,101.98 - Step 5: Solve for x
x = 44,884,031,101.98/307,581.40 - Step 6: Final answer
x = 145,925.70
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1.5x scale
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.