Finding the Fourth Proportional to 499,411.08, 749,138.49 and 144,460.98
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Solution
The fourth proportional to 499,411.08, 749,138.49 and 144,460.98 is: 216,697.80
Step by Step Solution
- Step 1: Write the proportion equation
499,411.08 : 749,138.49 = 144,460.98 : x - Step 2: Convert to fraction form
499,411.08/749,138.49 = 144,460.98/x - Step 3: Cross multiply
499,411.08x = 749,138.49 × 144,460.98 - Step 4: Simplify right side
499,411.08x = 108,221,280,421.12 - Step 5: Solve for x
x = 108,221,280,421.12/499,411.08 - Step 6: Final answer
x = 216,697.80
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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.