Finding the Fourth Proportional to 152,343.84, 210,214.80 and 88,671.36
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Solution
The fourth proportional to 152,343.84, 210,214.80 and 88,671.36 is: 122,355.01
Step by Step Solution
- Step 1: Write the proportion equation
152,343.84 : 210,214.80 = 88,671.36 : x - Step 2: Convert to fraction form
152,343.84/210,214.80 = 88,671.36/x - Step 3: Cross multiply
152,343.84x = 210,214.80 × 88,671.36 - Step 4: Simplify right side
152,343.84x = 18,640,032,208.13 - Step 5: Solve for x
x = 18,640,032,208.13/152,343.84 - Step 6: Final answer
x = 122,355.01
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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.