Finding the Fourth Proportional to 369,300.38, 509,663.68 and 205,980.08
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Solution
The fourth proportional to 369,300.38, 509,663.68 and 205,980.08 is: 284,268.77
Step by Step Solution
- Step 1: Write the proportion equation
369,300.38 : 509,663.68 = 205,980.08 : x - Step 2: Convert to fraction form
369,300.38/509,663.68 = 205,980.08/x - Step 3: Cross multiply
369,300.38x = 509,663.68 × 205,980.08 - Step 4: Simplify right side
369,300.38x = 104,980,562,516.23 - Step 5: Solve for x
x = 104,980,562,516.23/369,300.38 - Step 6: Final answer
x = 284,268.77
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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.