Finding the Fourth Proportional to 556,948.96, 768,590.18 and 302,300.08
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Solution
The fourth proportional to 556,948.96, 768,590.18 and 302,300.08 is: 417,174.44
Step by Step Solution
- Step 1: Write the proportion equation
556,948.96 : 768,590.18 = 302,300.08 : x - Step 2: Convert to fraction form
556,948.96/768,590.18 = 302,300.08/x - Step 3: Cross multiply
556,948.96x = 768,590.18 × 302,300.08 - Step 4: Simplify right side
556,948.96x = 232,344,872,901.21 - Step 5: Solve for x
x = 232,344,872,901.21/556,948.96 - Step 6: Final answer
x = 417,174.44
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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.