Finding the Fourth Proportional to 340,830.99, 470,350.05 and 187,875.08
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Solution
The fourth proportional to 340,830.99, 470,350.05 and 187,875.08 is: 259,269.42
Step by Step Solution
- Step 1: Write the proportion equation
340,830.99 : 470,350.05 = 187,875.08 : x - Step 2: Convert to fraction form
340,830.99/470,350.05 = 187,875.08/x - Step 3: Cross multiply
340,830.99x = 470,350.05 × 187,875.08 - Step 4: Simplify right side
340,830.99x = 88,367,053,271.75 - Step 5: Solve for x
x = 88,367,053,271.75/340,830.99 - Step 6: Final answer
x = 259,269.42
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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.