Finding the Fourth Proportional to 357,035.10, 535,178.97 and 120,295.98
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Solution
The fourth proportional to 357,035.10, 535,178.97 and 120,295.98 is: 180,318.07
Step by Step Solution
- Step 1: Write the proportion equation
357,035.10 : 535,178.97 = 120,295.98 : x - Step 2: Convert to fraction form
357,035.10/535,178.97 = 120,295.98/x - Step 3: Cross multiply
357,035.10x = 535,178.97 × 120,295.98 - Step 4: Simplify right side
357,035.10x = 64,379,878,671.54 - Step 5: Solve for x
x = 64,379,878,671.54/357,035.10 - Step 6: Final answer
x = 180,318.07
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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.