Finding the Fourth Proportional to 292,743.84, 403,986.36 and 158,607.84
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Solution
The fourth proportional to 292,743.84, 403,986.36 and 158,607.84 is: 218,878.74
Step by Step Solution
- Step 1: Write the proportion equation
292,743.84 : 403,986.36 = 158,607.84 : x - Step 2: Convert to fraction form
292,743.84/403,986.36 = 158,607.84/x - Step 3: Cross multiply
292,743.84x = 403,986.36 × 158,607.84 - Step 4: Simplify right side
292,743.84x = 64,075,403,949.06 - Step 5: Solve for x
x = 64,075,403,949.06/292,743.84 - Step 6: Final answer
x = 218,878.74
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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.