Finding the Fourth Proportional to 447,417.95, 670,729.07 and 163,055.09
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Solution
The fourth proportional to 447,417.95, 670,729.07 and 163,055.09 is: 244,437.65
Step by Step Solution
- Step 1: Write the proportion equation
447,417.95 : 670,729.07 = 163,055.09 : x - Step 2: Convert to fraction form
447,417.95/670,729.07 = 163,055.09/x - Step 3: Cross multiply
447,417.95x = 670,729.07 × 163,055.09 - Step 4: Simplify right side
447,417.95x = 109,365,790,958.93 - Step 5: Solve for x
x = 109,365,790,958.93/447,417.95 - Step 6: Final answer
x = 244,437.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.