Finding the Fourth Proportional to 291,705.02, 402,552.36 and 157,569.02
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Solution
The fourth proportional to 291,705.02, 402,552.36 and 157,569.02 is: 217,444.94
Step by Step Solution
- Step 1: Write the proportion equation
291,705.02 : 402,552.36 = 157,569.02 : x - Step 2: Convert to fraction form
291,705.02/402,552.36 = 157,569.02/x - Step 3: Cross multiply
291,705.02x = 402,552.36 × 157,569.02 - Step 4: Simplify right side
291,705.02x = 63,429,780,863.89 - Step 5: Solve for x
x = 63,429,780,863.89/291,705.02 - Step 6: Final answer
x = 217,444.94
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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.