Finding the Fourth Proportional to 369,048.96, 509,289.12 and 207,905.94
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Solution
The fourth proportional to 369,048.96, 509,289.12 and 207,905.94 is: 286,911.07
Step by Step Solution
- Step 1: Write the proportion equation
369,048.96 : 509,289.12 = 207,905.94 : x - Step 2: Convert to fraction form
369,048.96/509,289.12 = 207,905.94/x - Step 3: Cross multiply
369,048.96x = 509,289.12 × 207,905.94 - Step 4: Simplify right side
369,048.96x = 105,884,233,225.37 - Step 5: Solve for x
x = 105,884,233,225.37/369,048.96 - Step 6: Final answer
x = 286,911.07
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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.