Finding the Fourth Proportional to 156,365.09, 234,547.69 and 38,035.70
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Solution
The fourth proportional to 156,365.09, 234,547.69 and 38,035.70 is: 57,053.56
Step by Step Solution
- Step 1: Write the proportion equation
156,365.09 : 234,547.69 = 38,035.70 : x - Step 2: Convert to fraction form
156,365.09/234,547.69 = 38,035.70/x - Step 3: Cross multiply
156,365.09x = 234,547.69 × 38,035.70 - Step 4: Simplify right side
156,365.09x = 8,921,185,572.53 - Step 5: Solve for x
x = 8,921,185,572.53/156,365.09 - Step 6: Final answer
x = 57,053.56
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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.