Finding the Fourth Proportional to 307,585.67, 424,427.04 and 171,599.84
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Solution
The fourth proportional to 307,585.67, 424,427.04 and 171,599.84 is: 236,784.80
Step by Step Solution
- Step 1: Write the proportion equation
307,585.67 : 424,427.04 = 171,599.84 : x - Step 2: Convert to fraction form
307,585.67/424,427.04 = 171,599.84/x - Step 3: Cross multiply
307,585.67x = 424,427.04 × 171,599.84 - Step 4: Simplify right side
307,585.67x = 72,831,610,033.54 - Step 5: Solve for x
x = 72,831,610,033.54/307,585.67 - Step 6: Final answer
x = 236,784.80
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1.5x scale
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.