Finding the Fourth Proportional to 134,881.70, 202,294.20 and 68,259.20
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Solution
The fourth proportional to 134,881.70, 202,294.20 and 68,259.20 is: 102,374.45
Step by Step Solution
- Step 1: Write the proportion equation
134,881.70 : 202,294.20 = 68,259.20 : x - Step 2: Convert to fraction form
134,881.70/202,294.20 = 68,259.20/x - Step 3: Cross multiply
134,881.70x = 202,294.20 × 68,259.20 - Step 4: Simplify right side
134,881.70x = 13,808,440,256.64 - Step 5: Solve for x
x = 13,808,440,256.64/134,881.70 - Step 6: Final answer
x = 102,374.45
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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.