Finding the Fourth Proportional to 611,176.24, 843,407.40 and 339,230.08
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Solution
The fourth proportional to 611,176.24, 843,407.40 and 339,230.08 is: 468,128.73
Step by Step Solution
- Step 1: Write the proportion equation
611,176.24 : 843,407.40 = 339,230.08 : x - Step 2: Convert to fraction form
611,176.24/843,407.40 = 339,230.08/x - Step 3: Cross multiply
611,176.24x = 843,407.40 × 339,230.08 - Step 4: Simplify right side
611,176.24x = 286,109,159,774.59 - Step 5: Solve for x
x = 286,109,159,774.59/611,176.24 - Step 6: Final answer
x = 468,128.73
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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.