Finding the Fourth Proportional to 152,533.47, 210,371.40 and 107,360.99
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Solution
The fourth proportional to 152,533.47, 210,371.40 and 107,360.99 is: 148,070.33
Step by Step Solution
- Step 1: Write the proportion equation
152,533.47 : 210,371.40 = 107,360.99 : x - Step 2: Convert to fraction form
152,533.47/210,371.40 = 107,360.99/x - Step 3: Cross multiply
152,533.47x = 210,371.40 × 107,360.99 - Step 4: Simplify right side
152,533.47x = 22,585,680,719.83 - Step 5: Solve for x
x = 22,585,680,719.83/152,533.47 - Step 6: Final answer
x = 148,070.33
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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.