Finding the Fourth Proportional to 346,320.68, 519,532.95 and 121,641.50
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Solution
The fourth proportional to 346,320.68, 519,532.95 and 121,641.50 is: 182,480.49
Step by Step Solution
- Step 1: Write the proportion equation
346,320.68 : 519,532.95 = 121,641.50 : x - Step 2: Convert to fraction form
346,320.68/519,532.95 = 121,641.50/x - Step 3: Cross multiply
346,320.68x = 519,532.95 × 121,641.50 - Step 4: Simplify right side
346,320.68x = 63,196,767,337.43 - Step 5: Solve for x
x = 63,196,767,337.43/346,320.68 - Step 6: Final answer
x = 182,480.49
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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.