Finding the Fourth Proportional to 395,221.67, 544,863.88 and 249,955.05
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Solution
The fourth proportional to 395,221.67, 544,863.88 and 249,955.05 is: 344,595.17
Step by Step Solution
- Step 1: Write the proportion equation
395,221.67 : 544,863.88 = 249,955.05 : x - Step 2: Convert to fraction form
395,221.67/544,863.88 = 249,955.05/x - Step 3: Cross multiply
395,221.67x = 544,863.88 × 249,955.05 - Step 4: Simplify right side
395,221.67x = 136,191,478,368.59 - Step 5: Solve for x
x = 136,191,478,368.59/395,221.67 - Step 6: Final answer
x = 344,595.17
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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.