Finding the Fourth Proportional to 493,536.81, 740,331.48 and 156,603.84
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Solution
The fourth proportional to 493,536.81, 740,331.48 and 156,603.84 is: 234,914.09
Step by Step Solution
- Step 1: Write the proportion equation
493,536.81 : 740,331.48 = 156,603.84 : x - Step 2: Convert to fraction form
493,536.81/740,331.48 = 156,603.84/x - Step 3: Cross multiply
493,536.81x = 740,331.48 × 156,603.84 - Step 4: Simplify right side
493,536.81x = 115,938,752,640.88 - Step 5: Solve for x
x = 115,938,752,640.88/493,536.81 - Step 6: Final answer
x = 234,914.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.