Finding the Fourth Proportional to 210,533.34, 290,536.36 and 115,037.98
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Solution
The fourth proportional to 210,533.34, 290,536.36 and 115,037.98 is: 158,752.60
Step by Step Solution
- Step 1: Write the proportion equation
210,533.34 : 290,536.36 = 115,037.98 : x - Step 2: Convert to fraction form
210,533.34/290,536.36 = 115,037.98/x - Step 3: Cross multiply
210,533.34x = 290,536.36 × 115,037.98 - Step 4: Simplify right side
210,533.34x = 33,422,715,970.95 - Step 5: Solve for x
x = 33,422,715,970.95/210,533.34 - Step 6: Final answer
x = 158,752.60
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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.