Finding the Fourth Proportional to 140,102.68, 210,296.98 and 102,551.21
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Solution
The fourth proportional to 140,102.68, 210,296.98 and 102,551.21 is: 153,931.45
Step by Step Solution
- Step 1: Write the proportion equation
140,102.68 : 210,296.98 = 102,551.21 : x - Step 2: Convert to fraction form
140,102.68/210,296.98 = 102,551.21/x - Step 3: Cross multiply
140,102.68x = 210,296.98 × 102,551.21 - Step 4: Simplify right side
140,102.68x = 21,566,209,245.59 - Step 5: Solve for x
x = 21,566,209,245.59/140,102.68 - Step 6: Final answer
x = 153,931.45
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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.