Finding the Fourth Proportional to 419,025.66, 578,931.93 and 292,267.14
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Solution
The fourth proportional to 419,025.66, 578,931.93 and 292,267.14 is: 403,800.52
Step by Step Solution
- Step 1: Write the proportion equation
419,025.66 : 578,931.93 = 292,267.14 : x - Step 2: Convert to fraction form
419,025.66/578,931.93 = 292,267.14/x - Step 3: Cross multiply
419,025.66x = 578,931.93 × 292,267.14 - Step 4: Simplify right side
419,025.66x = 169,202,779,435.78 - Step 5: Solve for x
x = 169,202,779,435.78/419,025.66 - Step 6: Final answer
x = 403,800.52
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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.