Finding the Fourth Proportional to 211,864.30, 292,374.84 and 115,070.04
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Solution
The fourth proportional to 211,864.30, 292,374.84 and 115,070.04 is: 158,797.80
Step by Step Solution
- Step 1: Write the proportion equation
211,864.30 : 292,374.84 = 115,070.04 : x - Step 2: Convert to fraction form
211,864.30/292,374.84 = 115,070.04/x - Step 3: Cross multiply
211,864.30x = 292,374.84 × 115,070.04 - Step 4: Simplify right side
211,864.30x = 33,643,584,533.79 - Step 5: Solve for x
x = 33,643,584,533.79/211,864.30 - Step 6: Final answer
x = 158,797.80
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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.