Finding the Fourth Proportional to 350,511.72, 483,678.18 and 207,277.80
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Solution
The fourth proportional to 350,511.72, 483,678.18 and 207,277.80 is: 286,026.81
Step by Step Solution
- Step 1: Write the proportion equation
350,511.72 : 483,678.18 = 207,277.80 : x - Step 2: Convert to fraction form
350,511.72/483,678.18 = 207,277.80/x - Step 3: Cross multiply
350,511.72x = 483,678.18 × 207,277.80 - Step 4: Simplify right side
350,511.72x = 100,255,749,058.40 - Step 5: Solve for x
x = 100,255,749,058.40/350,511.72 - Step 6: Final answer
x = 286,026.81
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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.