Finding the Fourth Proportional to 268,537.34, 370,574.14 and 147,678.63
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Solution
The fourth proportional to 268,537.34, 370,574.14 and 147,678.63 is: 203,792.45
Step by Step Solution
- Step 1: Write the proportion equation
268,537.34 : 370,574.14 = 147,678.63 : x - Step 2: Convert to fraction form
268,537.34/370,574.14 = 147,678.63/x - Step 3: Cross multiply
268,537.34x = 370,574.14 × 147,678.63 - Step 4: Simplify right side
268,537.34x = 54,725,881,308.63 - Step 5: Solve for x
x = 54,725,881,308.63/268,537.34 - Step 6: Final answer
x = 203,792.45
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1.5x scale
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.