Finding the Fourth Proportional to 539,211.60, 808,428.60 and 302,626.80
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Solution
The fourth proportional to 539,211.60, 808,428.60 and 302,626.80 is: 453,721.99
Step by Step Solution
- Step 1: Write the proportion equation
539,211.60 : 808,428.60 = 302,626.80 : x - Step 2: Convert to fraction form
539,211.60/808,428.60 = 302,626.80/x - Step 3: Cross multiply
539,211.60x = 808,428.60 × 302,626.80 - Step 4: Simplify right side
539,211.60x = 244,652,160,246.48 - Step 5: Solve for x
x = 244,652,160,246.48/539,211.60 - Step 6: Final answer
x = 453,721.99
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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.