Finding the Fourth Proportional to 581,536.98, 872,347.14 and 155,070.60
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Solution
The fourth proportional to 581,536.98, 872,347.14 and 155,070.60 is: 232,617.01
Step by Step Solution
- Step 1: Write the proportion equation
581,536.98 : 872,347.14 = 155,070.60 : x - Step 2: Convert to fraction form
581,536.98/872,347.14 = 155,070.60/x - Step 3: Cross multiply
581,536.98x = 872,347.14 × 155,070.60 - Step 4: Simplify right side
581,536.98x = 135,275,394,408.08 - Step 5: Solve for x
x = 135,275,394,408.08/581,536.98 - Step 6: Final answer
x = 232,617.01
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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.