Finding the Fourth Proportional to 316,892.42, 475,334.12 and 77,008.08
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Solution
The fourth proportional to 316,892.42, 475,334.12 and 77,008.08 is: 115,511.02
Step by Step Solution
- Step 1: Write the proportion equation
316,892.42 : 475,334.12 = 77,008.08 : x - Step 2: Convert to fraction form
316,892.42/475,334.12 = 77,008.08/x - Step 3: Cross multiply
316,892.42x = 475,334.12 × 77,008.08 - Step 4: Simplify right side
316,892.42x = 36,604,567,554.65 - Step 5: Solve for x
x = 36,604,567,554.65/316,892.42 - Step 6: Final answer
x = 115,511.02
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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.