Finding the Fourth Proportional to 544,642.18, 751,553.56 and 315,153.70
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Solution
The fourth proportional to 544,642.18, 751,553.56 and 315,153.70 is: 434,881.64
Step by Step Solution
- Step 1: Write the proportion equation
544,642.18 : 751,553.56 = 315,153.70 : x - Step 2: Convert to fraction form
544,642.18/751,553.56 = 315,153.70/x - Step 3: Cross multiply
544,642.18x = 751,553.56 × 315,153.70 - Step 4: Simplify right side
544,642.18x = 236,854,885,182.17 - Step 5: Solve for x
x = 236,854,885,182.17/544,642.18 - Step 6: Final answer
x = 434,881.64
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1.5x scale
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.