Finding the Fourth Proportional to 307,613.40, 461,420.10 and 97,315.80
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Solution
The fourth proportional to 307,613.40, 461,420.10 and 97,315.80 is: 145,973.70
Step by Step Solution
- Step 1: Write the proportion equation
307,613.40 : 461,420.10 = 97,315.80 : x - Step 2: Convert to fraction form
307,613.40/461,420.10 = 97,315.80/x - Step 3: Cross multiply
307,613.40x = 461,420.10 × 97,315.80 - Step 4: Simplify right side
307,613.40x = 44,903,466,167.58 - Step 5: Solve for x
x = 44,903,466,167.58/307,613.40 - Step 6: Final answer
x = 145,973.70
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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.