Finding the Fourth Proportional to 259,800.39, 358,392.45 and 157,798.71
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Solution
The fourth proportional to 259,800.39, 358,392.45 and 157,798.71 is: 217,681.99
Step by Step Solution
- Step 1: Write the proportion equation
259,800.39 : 358,392.45 = 157,798.71 : x - Step 2: Convert to fraction form
259,800.39/358,392.45 = 157,798.71/x - Step 3: Cross multiply
259,800.39x = 358,392.45 × 157,798.71 - Step 4: Simplify right side
259,800.39x = 56,553,866,283.74 - Step 5: Solve for x
x = 56,553,866,283.74/259,800.39 - Step 6: Final answer
x = 217,681.99
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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.