Finding the Fourth Proportional to 357,006.94, 535,501.58 and 87,137.08
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Solution
The fourth proportional to 357,006.94, 535,501.58 and 87,137.08 is: 130,703.46
Step by Step Solution
- Step 1: Write the proportion equation
357,006.94 : 535,501.58 = 87,137.08 : x - Step 2: Convert to fraction form
357,006.94/535,501.58 = 87,137.08/x - Step 3: Cross multiply
357,006.94x = 535,501.58 × 87,137.08 - Step 4: Simplify right side
357,006.94x = 46,662,044,016.59 - Step 5: Solve for x
x = 46,662,044,016.59/357,006.94 - Step 6: Final answer
x = 130,703.46
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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.