Finding the Fourth Proportional to 135,137.40, 202,706.08 and 56,339.76
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Solution
The fourth proportional to 135,137.40, 202,706.08 and 56,339.76 is: 84,509.63
Step by Step Solution
- Step 1: Write the proportion equation
135,137.40 : 202,706.08 = 56,339.76 : x - Step 2: Convert to fraction form
135,137.40/202,706.08 = 56,339.76/x - Step 3: Cross multiply
135,137.40x = 202,706.08 × 56,339.76 - Step 4: Simplify right side
135,137.40x = 11,420,411,897.74 - Step 5: Solve for x
x = 11,420,411,897.74/135,137.40 - Step 6: Final answer
x = 84,509.63
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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.