Finding the Fourth Proportional to 304,686.09, 420,465.74 and 170,550.09
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Solution
The fourth proportional to 304,686.09, 420,465.74 and 170,550.09 is: 235,358.53
Step by Step Solution
- Step 1: Write the proportion equation
304,686.09 : 420,465.74 = 170,550.09 : x - Step 2: Convert to fraction form
304,686.09/420,465.74 = 170,550.09/x - Step 3: Cross multiply
304,686.09x = 420,465.74 × 170,550.09 - Step 4: Simplify right side
304,686.09x = 71,710,468,946.17 - Step 5: Solve for x
x = 71,710,468,946.17/304,686.09 - Step 6: Final answer
x = 235,358.53
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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.