Finding the Fourth Proportional to 97,613.87, 146,457.25 and 38,490.75
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Solution
The fourth proportional to 97,613.87, 146,457.25 and 38,490.75 is: 57,750.50
Step by Step Solution
- Step 1: Write the proportion equation
97,613.87 : 146,457.25 = 38,490.75 : x - Step 2: Convert to fraction form
97,613.87/146,457.25 = 38,490.75/x - Step 3: Cross multiply
97,613.87x = 146,457.25 × 38,490.75 - Step 4: Simplify right side
97,613.87x = 5,637,249,395.44 - Step 5: Solve for x
x = 5,637,249,395.44/97,613.87 - Step 6: Final answer
x = 57,750.50
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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.