Finding the Fourth Proportional to 350,590.36, 483,913.74 and 207,400.12
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Solution
The fourth proportional to 350,590.36, 483,913.74 and 207,400.12 is: 286,270.76
Step by Step Solution
- Step 1: Write the proportion equation
350,590.36 : 483,913.74 = 207,400.12 : x - Step 2: Convert to fraction form
350,590.36/483,913.74 = 207,400.12/x - Step 3: Cross multiply
350,590.36x = 483,913.74 × 207,400.12 - Step 4: Simplify right side
350,590.36x = 100,363,767,745.65 - Step 5: Solve for x
x = 100,363,767,745.65/350,590.36 - Step 6: Final answer
x = 286,270.76
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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.