Finding the Fourth Proportional to 514,192.68, 709,501.55 and 323,070.75
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Solution
The fourth proportional to 514,192.68, 709,501.55 and 323,070.75 is: 445,784.64
Step by Step Solution
- Step 1: Write the proportion equation
514,192.68 : 709,501.55 = 323,070.75 : x - Step 2: Convert to fraction form
514,192.68/709,501.55 = 323,070.75/x - Step 3: Cross multiply
514,192.68x = 709,501.55 × 323,070.75 - Step 4: Simplify right side
514,192.68x = 229,219,196,269.31 - Step 5: Solve for x
x = 229,219,196,269.31/514,192.68 - Step 6: Final answer
x = 445,784.64
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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.