Finding the Fourth Proportional to 291,706.02, 402,553.74 and 157,570.02
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Solution
The fourth proportional to 291,706.02, 402,553.74 and 157,570.02 is: 217,446.32
Step by Step Solution
- Step 1: Write the proportion equation
291,706.02 : 402,553.74 = 157,570.02 : x - Step 2: Convert to fraction form
291,706.02/402,553.74 = 157,570.02/x - Step 3: Cross multiply
291,706.02x = 402,553.74 × 157,570.02 - Step 4: Simplify right side
291,706.02x = 63,430,400,862.87 - Step 5: Solve for x
x = 63,430,400,862.87/291,706.02 - Step 6: Final answer
x = 217,446.32
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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.