Finding the Fourth Proportional to 156,681.20, 235,057.26 and 51,501.08
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Solution
The fourth proportional to 156,681.20, 235,057.26 and 51,501.08 is: 77,263.28
Step by Step Solution
- Step 1: Write the proportion equation
156,681.20 : 235,057.26 = 51,501.08 : x - Step 2: Convert to fraction form
156,681.20/235,057.26 = 51,501.08/x - Step 3: Cross multiply
156,681.20x = 235,057.26 × 51,501.08 - Step 4: Simplify right side
156,681.20x = 12,105,702,751.84 - Step 5: Solve for x
x = 12,105,702,751.84/156,681.20 - Step 6: Final answer
x = 77,263.28
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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.