Finding the Fourth Proportional to 210,506.99, 315,781.54 and 60,750.95
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Solution
The fourth proportional to 210,506.99, 315,781.54 and 60,750.95 is: 91,132.50
Step by Step Solution
- Step 1: Write the proportion equation
210,506.99 : 315,781.54 = 60,750.95 : x - Step 2: Convert to fraction form
210,506.99/315,781.54 = 60,750.95/x - Step 3: Cross multiply
210,506.99x = 315,781.54 × 60,750.95 - Step 4: Simplify right side
210,506.99x = 19,184,026,816.68 - Step 5: Solve for x
x = 19,184,026,816.68/210,506.99 - Step 6: Final answer
x = 91,132.50
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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.