Finding the Fourth Proportional to 328,623.48, 453,511.98 and 185,389.56
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Solution
The fourth proportional to 328,623.48, 453,511.98 and 185,389.56 is: 255,844.12
Step by Step Solution
- Step 1: Write the proportion equation
328,623.48 : 453,511.98 = 185,389.56 : x - Step 2: Convert to fraction form
328,623.48/453,511.98 = 185,389.56/x - Step 3: Cross multiply
328,623.48x = 453,511.98 × 185,389.56 - Step 4: Simplify right side
328,623.48x = 84,076,386,426.93 - Step 5: Solve for x
x = 84,076,386,426.93/328,623.48 - Step 6: Final answer
x = 255,844.12
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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.