Finding the Fourth Proportional to 243,416.64, 335,915.99 and 133,037.51
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Solution
The fourth proportional to 243,416.64, 335,915.99 and 133,037.51 is: 183,592.32
Step by Step Solution
- Step 1: Write the proportion equation
243,416.64 : 335,915.99 = 133,037.51 : x - Step 2: Convert to fraction form
243,416.64/335,915.99 = 133,037.51/x - Step 3: Cross multiply
243,416.64x = 335,915.99 × 133,037.51 - Step 4: Simplify right side
243,416.64x = 44,689,426,878.78 - Step 5: Solve for x
x = 44,689,426,878.78/243,416.64 - Step 6: Final answer
x = 183,592.32
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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.