Finding the Fourth Proportional to 317,947.95, 438,792.58 and 182,024.53
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Solution
The fourth proportional to 317,947.95, 438,792.58 and 182,024.53 is: 251,207.82
Step by Step Solution
- Step 1: Write the proportion equation
317,947.95 : 438,792.58 = 182,024.53 : x - Step 2: Convert to fraction form
317,947.95/438,792.58 = 182,024.53/x - Step 3: Cross multiply
317,947.95x = 438,792.58 × 182,024.53 - Step 4: Simplify right side
317,947.95x = 79,871,012,272.54 - Step 5: Solve for x
x = 79,871,012,272.54/317,947.95 - Step 6: Final answer
x = 251,207.82
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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.