Finding the Fourth Proportional to 262,926.76, 362,913.36 and 155,534.12
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Solution
The fourth proportional to 262,926.76, 362,913.36 and 155,534.12 is: 214,681.12
Step by Step Solution
- Step 1: Write the proportion equation
262,926.76 : 362,913.36 = 155,534.12 : x - Step 2: Convert to fraction form
262,926.76/362,913.36 = 155,534.12/x - Step 3: Cross multiply
262,926.76x = 362,913.36 × 155,534.12 - Step 4: Simplify right side
262,926.76x = 56,445,411,963.22 - Step 5: Solve for x
x = 56,445,411,963.22/262,926.76 - Step 6: Final answer
x = 214,681.12
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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.