Finding the Fourth Proportional to 514,617.91, 710,210.10 and 310,718.42
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Solution
The fourth proportional to 514,617.91, 710,210.10 and 310,718.42 is: 428,813.99
Step by Step Solution
- Step 1: Write the proportion equation
514,617.91 : 710,210.10 = 310,718.42 : x - Step 2: Convert to fraction form
514,617.91/710,210.10 = 310,718.42/x - Step 3: Cross multiply
514,617.91x = 710,210.10 × 310,718.42 - Step 4: Simplify right side
514,617.91x = 220,675,360,140.04 - Step 5: Solve for x
x = 220,675,360,140.04/514,617.91 - Step 6: Final answer
x = 428,813.99
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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.