Finding the Fourth Proportional to 398,746.62, 598,465.40 and 209,341.08
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Solution
The fourth proportional to 398,746.62, 598,465.40 and 209,341.08 is: 314,192.99
Step by Step Solution
- Step 1: Write the proportion equation
398,746.62 : 598,465.40 = 209,341.08 : x - Step 2: Convert to fraction form
398,746.62/598,465.40 = 209,341.08/x - Step 3: Cross multiply
398,746.62x = 598,465.40 × 209,341.08 - Step 4: Simplify right side
398,746.62x = 125,283,392,131.93 - Step 5: Solve for x
x = 125,283,392,131.93/398,746.62 - Step 6: Final answer
x = 314,192.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.