Finding the Fourth Proportional to 149,681.04, 224,403.84 and 74,762.52
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Solution
The fourth proportional to 149,681.04, 224,403.84 and 74,762.52 is: 112,084.98
Step by Step Solution
- Step 1: Write the proportion equation
149,681.04 : 224,403.84 = 74,762.52 : x - Step 2: Convert to fraction form
149,681.04/224,403.84 = 74,762.52/x - Step 3: Cross multiply
149,681.04x = 224,403.84 × 74,762.52 - Step 4: Simplify right side
149,681.04x = 16,776,996,576.08 - Step 5: Solve for x
x = 16,776,996,576.08/149,681.04 - Step 6: Final answer
x = 112,084.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.