Finding the Fourth Proportional to 170,985.16, 236,072.37 and 106,547.95
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Solution
The fourth proportional to 170,985.16, 236,072.37 and 106,547.95 is: 147,106.49
Step by Step Solution
- Step 1: Write the proportion equation
170,985.16 : 236,072.37 = 106,547.95 : x - Step 2: Convert to fraction form
170,985.16/236,072.37 = 106,547.95/x - Step 3: Cross multiply
170,985.16x = 236,072.37 × 106,547.95 - Step 4: Simplify right side
170,985.16x = 25,153,027,075.14 - Step 5: Solve for x
x = 25,153,027,075.14/170,985.16 - Step 6: Final answer
x = 147,106.49
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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.