Finding the Fourth Proportional to 402,088.90, 603,133.35 and 121,569.70
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Solution
The fourth proportional to 402,088.90, 603,133.35 and 121,569.70 is: 182,354.55
Step by Step Solution
- Step 1: Write the proportion equation
402,088.90 : 603,133.35 = 121,569.70 : x - Step 2: Convert to fraction form
402,088.90/603,133.35 = 121,569.70/x - Step 3: Cross multiply
402,088.90x = 603,133.35 × 121,569.70 - Step 4: Simplify right side
402,088.90x = 73,322,740,419.50 - Step 5: Solve for x
x = 73,322,740,419.50/402,088.90 - Step 6: Final answer
x = 182,354.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.