Finding the Fourth Proportional to 515,010.54, 772,368.18 and 155,216.26
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Solution
The fourth proportional to 515,010.54, 772,368.18 and 155,216.26 is: 232,779.90
Step by Step Solution
- Step 1: Write the proportion equation
515,010.54 : 772,368.18 = 155,216.26 : x - Step 2: Convert to fraction form
515,010.54/772,368.18 = 155,216.26/x - Step 3: Cross multiply
515,010.54x = 772,368.18 × 155,216.26 - Step 4: Simplify right side
515,010.54x = 119,884,100,242.61 - Step 5: Solve for x
x = 119,884,100,242.61/515,010.54 - Step 6: Final answer
x = 232,779.90
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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.