Finding the Fourth Proportional to 559,135.86, 837,441.99 and 258,985.95
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Solution
The fourth proportional to 559,135.86, 837,441.99 and 258,985.95 is: 387,894.47
Step by Step Solution
- Step 1: Write the proportion equation
559,135.86 : 837,441.99 = 258,985.95 : x - Step 2: Convert to fraction form
559,135.86/837,441.99 = 258,985.95/x - Step 3: Cross multiply
559,135.86x = 837,441.99 × 258,985.95 - Step 4: Simplify right side
559,135.86x = 216,885,709,350.04 - Step 5: Solve for x
x = 216,885,709,350.04/559,135.86 - Step 6: Final answer
x = 387,894.47
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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.