Finding the Fourth Proportional to 260,178.24, 390,398.58 and 102,519.84
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Solution
The fourth proportional to 260,178.24, 390,398.58 and 102,519.84 is: 153,831.47
Step by Step Solution
- Step 1: Write the proportion equation
260,178.24 : 390,398.58 = 102,519.84 : x - Step 2: Convert to fraction form
260,178.24/390,398.58 = 102,519.84/x - Step 3: Cross multiply
260,178.24x = 390,398.58 × 102,519.84 - Step 4: Simplify right side
260,178.24x = 40,023,599,957.83 - Step 5: Solve for x
x = 40,023,599,957.83/260,178.24 - Step 6: Final answer
x = 153,831.47
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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.