Finding the Fourth Proportional to 730,178.10, 1,095,184.14 and 197,740.65
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Solution
The fourth proportional to 730,178.10, 1,095,184.14 and 197,740.65 is: 296,588.49
Step by Step Solution
- Step 1: Write the proportion equation
730,178.10 : 1,095,184.14 = 197,740.65 : x - Step 2: Convert to fraction form
730,178.10/1,095,184.14 = 197,740.65/x - Step 3: Cross multiply
730,178.10x = 1,095,184.14 × 197,740.65 - Step 4: Simplify right side
730,178.10x = 216,562,423,713.29 - Step 5: Solve for x
x = 216,562,423,713.29/730,178.10 - Step 6: Final answer
x = 296,588.49
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1.5x scale
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.