Finding the Fourth Proportional to 570,368.91, 855,551.04 and 143,905.74
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Solution
The fourth proportional to 570,368.91, 855,551.04 and 143,905.74 is: 215,858.02
Step by Step Solution
- Step 1: Write the proportion equation
570,368.91 : 855,551.04 = 143,905.74 : x - Step 2: Convert to fraction form
570,368.91/855,551.04 = 143,905.74/x - Step 3: Cross multiply
570,368.91x = 855,551.04 × 143,905.74 - Step 4: Simplify right side
570,368.91x = 123,118,705,518.97 - Step 5: Solve for x
x = 123,118,705,518.97/570,368.91 - Step 6: Final answer
x = 215,858.02
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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.