Finding the Fourth Proportional to 260,670.39, 390,726.14 and 170,678.99
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Solution
The fourth proportional to 260,670.39, 390,726.14 and 170,678.99 is: 255,835.50
Step by Step Solution
- Step 1: Write the proportion equation
260,670.39 : 390,726.14 = 170,678.99 : x - Step 2: Convert to fraction form
260,670.39/390,726.14 = 170,678.99/x - Step 3: Cross multiply
260,670.39x = 390,726.14 × 170,678.99 - Step 4: Simplify right side
260,670.39x = 66,688,740,134.77 - Step 5: Solve for x
x = 66,688,740,134.77/260,670.39 - Step 6: Final answer
x = 255,835.50
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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.