Finding the Fourth Proportional to 252,502.48, 348,463.74 and 145,106.20
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Solution
The fourth proportional to 252,502.48, 348,463.74 and 145,106.20 is: 200,252.49
Step by Step Solution
- Step 1: Write the proportion equation
252,502.48 : 348,463.74 = 145,106.20 : x - Step 2: Convert to fraction form
252,502.48/348,463.74 = 145,106.20/x - Step 3: Cross multiply
252,502.48x = 348,463.74 × 145,106.20 - Step 4: Simplify right side
252,502.48x = 50,564,249,149.19 - Step 5: Solve for x
x = 50,564,249,149.19/252,502.48 - Step 6: Final answer
x = 200,252.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.