Finding the Fourth Proportional to 830,712.76, 1,246,068.99 and 199,626.57
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Solution
The fourth proportional to 830,712.76, 1,246,068.99 and 199,626.57 is: 299,439.82
Step by Step Solution
- Step 1: Write the proportion equation
830,712.76 : 1,246,068.99 = 199,626.57 : x - Step 2: Convert to fraction form
830,712.76/1,246,068.99 = 199,626.57/x - Step 3: Cross multiply
830,712.76x = 1,246,068.99 × 199,626.57 - Step 4: Simplify right side
830,712.76x = 248,748,478,457.06 - Step 5: Solve for x
x = 248,748,478,457.06/830,712.76 - Step 6: Final answer
x = 299,439.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.