Finding the Fourth Proportional to 211,415.04, 291,750.62 and 115,921.52
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Solution
The fourth proportional to 211,415.04, 291,750.62 and 115,921.52 is: 159,970.53
Step by Step Solution
- Step 1: Write the proportion equation
211,415.04 : 291,750.62 = 115,921.52 : x - Step 2: Convert to fraction form
211,415.04/291,750.62 = 115,921.52/x - Step 3: Cross multiply
211,415.04x = 291,750.62 × 115,921.52 - Step 4: Simplify right side
211,415.04x = 33,820,175,331.34 - Step 5: Solve for x
x = 33,820,175,331.34/211,415.04 - Step 6: Final answer
x = 159,970.53
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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.