Finding the Fourth Proportional to 291,847.84, 402,750.02 and 157,711.84
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Solution
The fourth proportional to 291,847.84, 402,750.02 and 157,711.84 is: 217,642.34
Step by Step Solution
- Step 1: Write the proportion equation
291,847.84 : 402,750.02 = 157,711.84 : x - Step 2: Convert to fraction form
291,847.84/402,750.02 = 157,711.84/x - Step 3: Cross multiply
291,847.84x = 402,750.02 × 157,711.84 - Step 4: Simplify right side
291,847.84x = 63,518,446,714.24 - Step 5: Solve for x
x = 63,518,446,714.24/291,847.84 - Step 6: Final answer
x = 217,642.34
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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.