Finding the Fourth Proportional to 371,212.18, 556,900.08 and 157,968.70
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Solution
The fourth proportional to 371,212.18, 556,900.08 and 157,968.70 is: 236,987.86
Step by Step Solution
- Step 1: Write the proportion equation
371,212.18 : 556,900.08 = 157,968.70 : x - Step 2: Convert to fraction form
371,212.18/556,900.08 = 157,968.70/x - Step 3: Cross multiply
371,212.18x = 556,900.08 × 157,968.70 - Step 4: Simplify right side
371,212.18x = 87,972,781,667.50 - Step 5: Solve for x
x = 87,972,781,667.50/371,212.18 - Step 6: Final answer
x = 236,987.86
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1.5x scale
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.