Finding the Fourth Proportional to 212,075.08, 292,663.67 and 121,461.12
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Solution
The fourth proportional to 212,075.08, 292,663.67 and 121,461.12 is: 167,616.38
Step by Step Solution
- Step 1: Write the proportion equation
212,075.08 : 292,663.67 = 121,461.12 : x - Step 2: Convert to fraction form
212,075.08/292,663.67 = 121,461.12/x - Step 3: Cross multiply
212,075.08x = 292,663.67 × 121,461.12 - Step 4: Simplify right side
212,075.08x = 35,547,256,534.20 - Step 5: Solve for x
x = 35,547,256,534.20/212,075.08 - Step 6: Final answer
x = 167,616.38
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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.