Finding the Fourth Proportional to 316,246.49, 474,525.54 and 147,778.46
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Solution
The fourth proportional to 316,246.49, 474,525.54 and 147,778.46 is: 221,740.49
Step by Step Solution
- Step 1: Write the proportion equation
316,246.49 : 474,525.54 = 147,778.46 : x - Step 2: Convert to fraction form
316,246.49/474,525.54 = 147,778.46/x - Step 3: Cross multiply
316,246.49x = 474,525.54 × 147,778.46 - Step 4: Simplify right side
316,246.49x = 70,124,651,159.24 - Step 5: Solve for x
x = 70,124,651,159.24/316,246.49 - Step 6: Final answer
x = 221,740.49
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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.