Finding the Fourth Proportional to 410,619.84, 566,460.48 and 257,582.40
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Solution
The fourth proportional to 410,619.84, 566,460.48 and 257,582.40 is: 355,341.45
Step by Step Solution
- Step 1: Write the proportion equation
410,619.84 : 566,460.48 = 257,582.40 : x - Step 2: Convert to fraction form
410,619.84/566,460.48 = 257,582.40/x - Step 3: Cross multiply
410,619.84x = 566,460.48 × 257,582.40 - Step 4: Simplify right side
410,619.84x = 145,910,249,943.55 - Step 5: Solve for x
x = 145,910,249,943.55/410,619.84 - Step 6: Final answer
x = 355,341.45
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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.