Finding the Fourth Proportional to 148,280.31, 204,660.36 and 115,950.96
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Solution
The fourth proportional to 148,280.31, 204,660.36 and 115,950.96 is: 160,038.55
Step by Step Solution
- Step 1: Write the proportion equation
148,280.31 : 204,660.36 = 115,950.96 : x - Step 2: Convert to fraction form
148,280.31/204,660.36 = 115,950.96/x - Step 3: Cross multiply
148,280.31x = 204,660.36 × 115,950.96 - Step 4: Simplify right side
148,280.31x = 23,730,565,215.95 - Step 5: Solve for x
x = 23,730,565,215.95/148,280.31 - Step 6: Final answer
x = 160,038.55
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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.