Finding the Fourth Proportional to 268,671.18, 370,765.65 and 147,812.16
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Solution
The fourth proportional to 268,671.18, 370,765.65 and 147,812.16 is: 203,980.46
Step by Step Solution
- Step 1: Write the proportion equation
268,671.18 : 370,765.65 = 147,812.16 : x - Step 2: Convert to fraction form
268,671.18/370,765.65 = 147,812.16/x - Step 3: Cross multiply
268,671.18x = 370,765.65 × 147,812.16 - Step 4: Simplify right side
268,671.18x = 54,803,671,580.30 - Step 5: Solve for x
x = 54,803,671,580.30/268,671.18 - Step 6: Final answer
x = 203,980.46
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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.