Finding the Fourth Proportional to 357,887.36, 536,437.38 and 147,410.48
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Solution
The fourth proportional to 357,887.36, 536,437.38 and 147,410.48 is: 220,953.58
Step by Step Solution
- Step 1: Write the proportion equation
357,887.36 : 536,437.38 = 147,410.48 : x - Step 2: Convert to fraction form
357,887.36/536,437.38 = 147,410.48/x - Step 3: Cross multiply
357,887.36x = 536,437.38 × 147,410.48 - Step 4: Simplify right side
357,887.36x = 79,076,493,569.63 - Step 5: Solve for x
x = 79,076,493,569.63/357,887.36 - Step 6: Final answer
x = 220,953.58
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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.