Finding the Fourth Proportional to 284,953.80, 427,430.70 and 153,881.80
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Solution
The fourth proportional to 284,953.80, 427,430.70 and 153,881.80 is: 230,822.70
Step by Step Solution
- Step 1: Write the proportion equation
284,953.80 : 427,430.70 = 153,881.80 : x - Step 2: Convert to fraction form
284,953.80/427,430.70 = 153,881.80/x - Step 3: Cross multiply
284,953.80x = 427,430.70 × 153,881.80 - Step 4: Simplify right side
284,953.80x = 65,773,805,491.26 - Step 5: Solve for x
x = 65,773,805,491.26/284,953.80 - Step 6: Final answer
x = 230,822.70
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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.