Finding the Fourth Proportional to 423,984.51, 636,070.32 and 234,720.99
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Solution
The fourth proportional to 423,984.51, 636,070.32 and 234,720.99 is: 352,133.28
Step by Step Solution
- Step 1: Write the proportion equation
423,984.51 : 636,070.32 = 234,720.99 : x - Step 2: Convert to fraction form
423,984.51/636,070.32 = 234,720.99/x - Step 3: Cross multiply
423,984.51x = 636,070.32 × 234,720.99 - Step 4: Simplify right side
423,984.51x = 149,299,055,220.02 - Step 5: Solve for x
x = 149,299,055,220.02/423,984.51 - Step 6: Final answer
x = 352,133.28
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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.