Finding the Fourth Proportional to 472,887.68, 651,822.48 and 319,869.98
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Solution
The fourth proportional to 472,887.68, 651,822.48 and 319,869.98 is: 440,904.79
Step by Step Solution
- Step 1: Write the proportion equation
472,887.68 : 651,822.48 = 319,869.98 : x - Step 2: Convert to fraction form
472,887.68/651,822.48 = 319,869.98/x - Step 3: Cross multiply
472,887.68x = 651,822.48 × 319,869.98 - Step 4: Simplify right side
472,887.68x = 208,498,443,641.15 - Step 5: Solve for x
x = 208,498,443,641.15/472,887.68 - Step 6: Final answer
x = 440,904.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.