Finding the Fourth Proportional to 382,038.12, 527,202.18 and 212,267.88
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Solution
The fourth proportional to 382,038.12, 527,202.18 and 212,267.88 is: 292,923.88
Step by Step Solution
- Step 1: Write the proportion equation
382,038.12 : 527,202.18 = 212,267.88 : x - Step 2: Convert to fraction form
382,038.12/527,202.18 = 212,267.88/x - Step 3: Cross multiply
382,038.12x = 527,202.18 × 212,267.88 - Step 4: Simplify right side
382,038.12x = 111,908,089,079.98 - Step 5: Solve for x
x = 111,908,089,079.98/382,038.12 - Step 6: Final answer
x = 292,923.88
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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.