Finding the Fourth Proportional to 369,014.67, 509,289.12 and 207,901.62
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Solution
The fourth proportional to 369,014.67, 509,289.12 and 207,901.62 is: 286,931.77
Step by Step Solution
- Step 1: Write the proportion equation
369,014.67 : 509,289.12 = 207,901.62 : x - Step 2: Convert to fraction form
369,014.67/509,289.12 = 207,901.62/x - Step 3: Cross multiply
369,014.67x = 509,289.12 × 207,901.62 - Step 4: Simplify right side
369,014.67x = 105,882,033,096.37 - Step 5: Solve for x
x = 105,882,033,096.37/369,014.67 - Step 6: Final answer
x = 286,931.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.