Finding the Fourth Proportional to 514,810.08, 772,219.68 and 211,371.12
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Solution
The fourth proportional to 514,810.08, 772,219.68 and 211,371.12 is: 317,058.55
Step by Step Solution
- Step 1: Write the proportion equation
514,810.08 : 772,219.68 = 211,371.12 : x - Step 2: Convert to fraction form
514,810.08/772,219.68 = 211,371.12/x - Step 3: Cross multiply
514,810.08x = 772,219.68 × 211,371.12 - Step 4: Simplify right side
514,810.08x = 163,224,937,855.00 - Step 5: Solve for x
x = 163,224,937,855.00/514,810.08 - Step 6: Final answer
x = 317,058.55
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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.