Finding the Fourth Proportional to 212,726.58, 293,563.23 and 115,931.19
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Solution
The fourth proportional to 212,726.58, 293,563.23 and 115,931.19 is: 159,985.34
Step by Step Solution
- Step 1: Write the proportion equation
212,726.58 : 293,563.23 = 115,931.19 : x - Step 2: Convert to fraction form
212,726.58/293,563.23 = 115,931.19/x - Step 3: Cross multiply
212,726.58x = 293,563.23 × 115,931.19 - Step 4: Simplify right side
212,726.58x = 34,033,134,594.14 - Step 5: Solve for x
x = 34,033,134,594.14/212,726.58 - Step 6: Final answer
x = 159,985.34
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1.5x scale
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.