Finding the Fourth Proportional to 549,809.08, 758,739.18 and 358,709.56
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Solution
The fourth proportional to 549,809.08, 758,739.18 and 358,709.56 is: 495,020.92
Step by Step Solution
- Step 1: Write the proportion equation
549,809.08 : 758,739.18 = 358,709.56 : x - Step 2: Convert to fraction form
549,809.08/758,739.18 = 358,709.56/x - Step 3: Cross multiply
549,809.08x = 758,739.18 × 358,709.56 - Step 4: Simplify right side
549,809.08x = 272,166,997,412.56 - Step 5: Solve for x
x = 272,166,997,412.56/549,809.08 - Step 6: Final answer
x = 495,020.92
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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.