Finding the Fourth Proportional to 236,430.10, 354,645.15 and 147,783.70
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Solution
The fourth proportional to 236,430.10, 354,645.15 and 147,783.70 is: 221,675.55
Step by Step Solution
- Step 1: Write the proportion equation
236,430.10 : 354,645.15 = 147,783.70 : x - Step 2: Convert to fraction form
236,430.10/354,645.15 = 147,783.70/x - Step 3: Cross multiply
236,430.10x = 354,645.15 × 147,783.70 - Step 4: Simplify right side
236,430.10x = 52,410,772,454.06 - Step 5: Solve for x
x = 52,410,772,454.06/236,430.10 - Step 6: Final answer
x = 221,675.55
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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.