Finding the Fourth Proportional to 515,133.30, 772,699.95 and 235,197.30
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Solution
The fourth proportional to 515,133.30, 772,699.95 and 235,197.30 is: 352,795.95
Step by Step Solution
- Step 1: Write the proportion equation
515,133.30 : 772,699.95 = 235,197.30 : x - Step 2: Convert to fraction form
515,133.30/772,699.95 = 235,197.30/x - Step 3: Cross multiply
515,133.30x = 772,699.95 × 235,197.30 - Step 4: Simplify right side
515,133.30x = 181,736,941,950.14 - Step 5: Solve for x
x = 181,736,941,950.14/515,133.30 - Step 6: Final answer
x = 352,795.95
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Similar ratio
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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.