Finding the Fourth Proportional to 135,230.60, 202,802.70 and 56,325.80
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Solution
The fourth proportional to 135,230.60, 202,802.70 and 56,325.80 is: 84,470.71
Step by Step Solution
- Step 1: Write the proportion equation
135,230.60 : 202,802.70 = 56,325.80 : x - Step 2: Convert to fraction form
135,230.60/202,802.70 = 56,325.80/x - Step 3: Cross multiply
135,230.60x = 202,802.70 × 56,325.80 - Step 4: Simplify right side
135,230.60x = 11,423,024,319.66 - Step 5: Solve for x
x = 11,423,024,319.66/135,230.60 - Step 6: Final answer
x = 84,470.71
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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.