Finding the Fourth Proportional to 360,135.84, 496,886.40 and 207,166.08
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Solution
The fourth proportional to 360,135.84, 496,886.40 and 207,166.08 is: 285,831.06
Step by Step Solution
- Step 1: Write the proportion equation
360,135.84 : 496,886.40 = 207,166.08 : x - Step 2: Convert to fraction form
360,135.84/496,886.40 = 207,166.08/x - Step 3: Cross multiply
360,135.84x = 496,886.40 × 207,166.08 - Step 4: Simplify right side
360,135.84x = 102,938,007,693.31 - Step 5: Solve for x
x = 102,938,007,693.31/360,135.84 - Step 6: Final answer
x = 285,831.06
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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.