Finding the Fourth Proportional to 257,558.04, 355,530.78 and 197,125.08
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Solution
The fourth proportional to 257,558.04, 355,530.78 and 197,125.08 is: 272,109.67
Step by Step Solution
- Step 1: Write the proportion equation
257,558.04 : 355,530.78 = 197,125.08 : x - Step 2: Convert to fraction form
257,558.04/355,530.78 = 197,125.08/x - Step 3: Cross multiply
257,558.04x = 355,530.78 × 197,125.08 - Step 4: Simplify right side
257,558.04x = 70,084,033,449.96 - Step 5: Solve for x
x = 70,084,033,449.96/257,558.04 - Step 6: Final answer
x = 272,109.67
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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.