Finding the Fourth Proportional to 155,360.51, 214,496.01 and 106,384.09
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Solution
The fourth proportional to 155,360.51, 214,496.01 and 106,384.09 is: 146,877.49
Step by Step Solution
- Step 1: Write the proportion equation
155,360.51 : 214,496.01 = 106,384.09 : x - Step 2: Convert to fraction form
155,360.51/214,496.01 = 106,384.09/x - Step 3: Cross multiply
155,360.51x = 214,496.01 × 106,384.09 - Step 4: Simplify right side
155,360.51x = 22,818,962,565.44 - Step 5: Solve for x
x = 22,818,962,565.44/155,360.51 - Step 6: Final answer
x = 146,877.49
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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.