Finding the Fourth Proportional to 168,930.18, 253,373.40 and 56,583.99
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Solution
The fourth proportional to 168,930.18, 253,373.40 and 56,583.99 is: 84,868.66
Step by Step Solution
- Step 1: Write the proportion equation
168,930.18 : 253,373.40 = 56,583.99 : x - Step 2: Convert to fraction form
168,930.18/253,373.40 = 56,583.99/x - Step 3: Cross multiply
168,930.18x = 253,373.40 × 56,583.99 - Step 4: Simplify right side
168,930.18x = 14,336,877,931.87 - Step 5: Solve for x
x = 14,336,877,931.87/168,930.18 - Step 6: Final answer
x = 84,868.66
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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.