Finding the Fourth Proportional to 717,176.91, 1,075,514.35 and 211,603.71
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Solution
The fourth proportional to 717,176.91, 1,075,514.35 and 211,603.71 is: 317,331.50
Step by Step Solution
- Step 1: Write the proportion equation
717,176.91 : 1,075,514.35 = 211,603.71 : x - Step 2: Convert to fraction form
717,176.91/1,075,514.35 = 211,603.71/x - Step 3: Cross multiply
717,176.91x = 1,075,514.35 × 211,603.71 - Step 4: Simplify right side
717,176.91x = 227,582,826,618.24 - Step 5: Solve for x
x = 227,582,826,618.24/717,176.91 - Step 6: Final answer
x = 317,331.50
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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.