Finding the Fourth Proportional to 472,403.60, 708,648.60 and 191,862.80
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Solution
The fourth proportional to 472,403.60, 708,648.60 and 191,862.80 is: 287,811.75
Step by Step Solution
- Step 1: Write the proportion equation
472,403.60 : 708,648.60 = 191,862.80 : x - Step 2: Convert to fraction form
472,403.60/708,648.60 = 191,862.80/x - Step 3: Cross multiply
472,403.60x = 708,648.60 × 191,862.80 - Step 4: Simplify right side
472,403.60x = 135,963,304,612.08 - Step 5: Solve for x
x = 135,963,304,612.08/472,403.60 - Step 6: Final answer
x = 287,811.75
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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.