Finding the Fourth Proportional to 170,390.02, 235,139.14 and 97,787.12
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Solution
The fourth proportional to 170,390.02, 235,139.14 and 97,787.12 is: 134,946.75
Step by Step Solution
- Step 1: Write the proportion equation
170,390.02 : 235,139.14 = 97,787.12 : x - Step 2: Convert to fraction form
170,390.02/235,139.14 = 97,787.12/x - Step 3: Cross multiply
170,390.02x = 235,139.14 × 97,787.12 - Step 4: Simplify right side
170,390.02x = 22,993,580,009.96 - Step 5: Solve for x
x = 22,993,580,009.96/170,390.02 - Step 6: Final answer
x = 134,946.75
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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.