Finding the Fourth Proportional to 436,851.14, 655,276.98 and 121,308.08
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Solution
The fourth proportional to 436,851.14, 655,276.98 and 121,308.08 is: 181,962.19
Step by Step Solution
- Step 1: Write the proportion equation
436,851.14 : 655,276.98 = 121,308.08 : x - Step 2: Convert to fraction form
436,851.14/655,276.98 = 121,308.08/x - Step 3: Cross multiply
436,851.14x = 655,276.98 × 121,308.08 - Step 4: Simplify right side
436,851.14x = 79,490,392,312.00 - Step 5: Solve for x
x = 79,490,392,312.00/436,851.14 - Step 6: Final answer
x = 181,962.19
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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.