Finding the Fourth Proportional to 583,455.09, 805,166.82 and 315,183.09
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Solution
The fourth proportional to 583,455.09, 805,166.82 and 315,183.09 is: 434,952.01
Step by Step Solution
- Step 1: Write the proportion equation
583,455.09 : 805,166.82 = 315,183.09 : x - Step 2: Convert to fraction form
583,455.09/805,166.82 = 315,183.09/x - Step 3: Cross multiply
583,455.09x = 805,166.82 × 315,183.09 - Step 4: Simplify right side
583,455.09x = 253,774,966,293.07 - Step 5: Solve for x
x = 253,774,966,293.07/583,455.09 - Step 6: Final answer
x = 434,952.01
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1.5x scale
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.