Finding the Fourth Proportional to 330,618.35, 456,303.18 and 201,631.67
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Solution
The fourth proportional to 330,618.35, 456,303.18 and 201,631.67 is: 278,282.12
Step by Step Solution
- Step 1: Write the proportion equation
330,618.35 : 456,303.18 = 201,631.67 : x - Step 2: Convert to fraction form
330,618.35/456,303.18 = 201,631.67/x - Step 3: Cross multiply
330,618.35x = 456,303.18 × 201,631.67 - Step 4: Simplify right side
330,618.35x = 92,005,174,962.16 - Step 5: Solve for x
x = 92,005,174,962.16/330,618.35 - Step 6: Final answer
x = 278,282.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.