Finding the Fourth Proportional to 245,832,547.20, 368,748,820.80 and 234,495,139.20
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Solution
The fourth proportional to 245,832,547.20, 368,748,820.80 and 234,495,139.20 is: 351,742,708.80
Step by Step Solution
- Step 1: Write the proportion equation
245,832,547.20 : 368,748,820.80 = 234,495,139.20 : x - Step 2: Convert to fraction form
245,832,547.20/368,748,820.80 = 234,495,139.20/x - Step 3: Cross multiply
245,832,547.20x = 368,748,820.80 × 234,495,139.20 - Step 4: Simplify right side
245,832,547.20x = 86,469,806,063,331,856 - Step 5: Solve for x
x = 86,469,806,063,331,856/245,832,547.20 - Step 6: Final answer
x = 351,742,708.80
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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.